iOS & Android
(Mainland China)
Nanjing Shuangxinda Trading Co., LTD
Nanjing Shuangxinda Trading Co., LTD
Ranking:
Supplier Assessment:
Country / Region:
China
Response time:
≤24 h
Response Rate:
High
Business Type:
Exporter, Distributor, Manufacturer, Wholesaler
Years with Global Sources:
1 year
Export Markets:
Asia, Central/South America, North America, Western Europe, Mid East/Africa, Eastern Europe, Australasia
1 year
Company Profile
Company Overview
A professional manufacturer of peptide products with 15 years' export expertise
30 researchers|A 2000-square-meter research laboratory|50,000sqm production base
Professional supplier of premium peptides
Nanjing Shuangxindashi Co., Ltd. is a professional supplier of premium peptides, boasting 15 years of export expertise. We operate a 50,000-square-meter production complex alongside a 2,000-square-meter specialized manufacturing base, both equipped with state-of-the-art facilities. Backed by a dedicated R&D team of 300 technical professionals, we also offer complimentary customs clearance services to streamline cross-border collaboration.
Worldwide distribution
Our core focus lies in bioactive peptides, cosmetic ingredients, and chemical compounds, catering to a wide array of sectors, including food and beverage. Our R&D team consistently refines production processes and technologies to uphold the uncompromising quality of all our products. With exports accounting for over 95% of our total sales volume, our products are distributed across key global markets: North America (the United States, Canada), Europe (the United Kingdom and major European economies), Asia (Russia, the United Arab Emirates, Thailand, other Southeast Asian and Middle Eastern countries), and Oceania (Australia). We have earned an excellent reputation among pharmacies, medical enterprises, and clients across diverse industries worldwide.
Comprehensive OEM support services provided
Leveraging our professional technical expertise and abundant resources, we provide comprehensive OEM support services. Whether you require laboratory capacity backing, human resource assistance for new product development, or other customized solutions, our team ensures seamless, principle-guided collaboration to deliver tailor-made programs. Adhering to the core values of innovation and customer-centricity, we are committed to providing cutting-edge peptide solutions that comply with global quality standards, striving to become a reliable long-term partner for customers around the world.
Basic Information
Total Capitalization
US$100,000 to 199,999
Year Established
2008
Total Employees
30 to 39
Company Certificate
NA
Product Certificate
NA
Business Type
Trading Capabilities
Total Annual Sales
US$300,000 to 399,999
Export Percentage
30 percent to 34 percent
OEM Service
No
Small Orders Accepted
Yes
Brand Names
shuagxinda
Payment Terms
PayPal Bitcoin
Main Competitive Advantages
Buyer's Specifications Accepted, Experienced R&D Department, Large Product Line, OBM (Own Branding & Manufacturing), ODM (Original Designing & Manufacturing), OEM Capability, Production Capacity, Reliability, Reputation
Other Competitive Advantages
NA
Major Customer
NA
Export Markets
Business Registration Details
Registered Company
南京双信达商贸有限公司
Registration Number
91320191MAEWQQ186Q
Company Registration Address
中国（江苏）自由贸易试验区南京片区园达路51号网易南京数字产业基地A座1408-47室
* In China, company names and addresses are registered in Chinese only.
Production Capacity
Factory Information
Factory Size
50000 Square Metre
No. of Production Lines
NA
Number of Production Staff
30 to 39
Number of QC Staff
5 to 9
Year Established
2010
Number of R & D Staff
20 to 29
Address
Nanjing, Jiangsu, China
Other Production Capacity
Materials/Components Used
Equipped with automated production equipment, the production process follows the standardized procedure of "raw material inspection, precision processing, semi-finished product testing, finished product assembly, full-item quality inspection, packaging and delivery". Key links adopt intelligent monitoring systems to ensure production efficiency and product consistency.
Machinery/Production Process
Equipped with automated production equipment, the production process follows the standardized procedure of "raw material inspection, precision processing, semi-finished product testing, finished product assembly, full-item quality inspection, packaging and delivery". Key links adopt intelligent monitoring systems to ensure production efficiency and product consistency.
Site Advantages
It is convenient to ship out from the port.
Quality Control
Other Quality Control
Description of Quality Control/Technical Support Department
With our technical expertise and resources, we offer comprehensive OEM support. Whether you need laboratory capacity support or human resources for new product development, our team ensures seamless collaboration based on integrity and reliability.
Quality Control Procedures
1 Supplier Qualification Review
2 Incoming Inspection
3 In-Process QA
4 Finished Product QA
5 Packaging & Warehousing QA
6 Logistics QA
7 After-Sales QA
This process strictly follows the "Good Manufacturing Practice for Pharmaceuticals (GMP)" and the "International Pharmaceutical Trade Quality Management Standards".
All testing items are completed by laboratories with CNAS certification, and the test data is true and valid.
R&D Capabilities
Other R&D Capabilities
Machinery and Equipment Used
All production/testing equipment must obtain GMP certification or industry compliance certificates (such as the CNAS calibration certificate for testing equipment), and the certificates must remain valid without interruption. The use of equipment must comply with operating procedures.
Location of Facilities
Nanjing Area of China Jiangsu Free Trade Zone
Procedures and Practices
Party B possesses the full-chain service capabilities for peptide products and has established a standardized procedure and practice system covering production, quality, compliance, and emergency response. It can convert equipment operation, technical application, and quality control into practical operational processes that can be implemented.
Both parties have reached an agreement on investment cooperation and full-process standardized operation. Now, the procedural norms and practical requirements for the core links have been clearly defined to ensure that business operations are compliant.
Business Registration Profile
by SGS
The supplier information below has been obtained from relevant government agencies in the supplier's country and is subject to change without prior notice. Business Registration Profile verification procedures were conducted by SGS, a third-party credit agency
Read DisclaimerRegistered Address
Room 1408-47, Building A, NetEase Nanjing Digital Industry Base, No.51, Yuanda Road, Nanjing Area, China (Jiangsu) Pilot Free Trade Zone
Incorporation Date
2025/09/04
Legal Form
Limited liability company (sole proprietorship of natural person)
Company Status
Live
Registration Agency
Administrative Approval Bureau of Nanjing Jiangbei New Area Management Committee
Registration No.
91320191MAEWQQ186Q
Authorized Capital
RMB100,000
Paid-Up Capital
NA
Import & Export License
No
Legal Representative
Zhang Lele
Business Scope
General business items are: sales of metal products; sales of rubber products; sales of plastic products; sales of building materials; sales of ecological and environmental materials; sales of synthetic materials; sales of chemical products (excluding licensed chemical products); sales of toys; sales of maternal and infant products; sales of daily necessities; retail of bicycles and spare parts; sales of electric bicycles, mobility scooters and spare parts; sales of bicycle spare parts; import and export of goods; import and export of technology; import and export agency; promotion services for new materials and technologies; technical services, technology development, technical consulting, technical exchange, technology transfer, and technology promotion. (Except for items that require approval according to law, business activities can be carried out independently with a business license in accordance with the law.)
Business Permit Expiry
Shareholders
Zhang Lele
Codes Of Conduct
Equal Employment Opportunity/Non-discrimination
Types of prohibited discrimination:
Gender Discrimination: Law of Labor Article 13, Law on the Protection of Women's Rights and Interests Article 46
Ethnic/racial discrimination: Law of Labor Article 12, Article 3 of the Employment Promotion Law
Religious belief discrimination: Law of Labor Article 12: Refuse to hire job seekers whose religious beliefs require special arrangements
Gender Discrimination: Law of Labor Article 13, Law on the Protection of Women's Rights and Interests Article 46
Ethnic/racial discrimination: Law of Labor Article 12, Article 3 of the Employment Promotion Law
Religious belief discrimination: Law of Labor Article 12: Refuse to hire job seekers whose religious beliefs require special arrangements
Policy on Forced Labour
Those who force others to work through violence, threats or restrictions on personal freedom shall be sentenced to imprisonment of not more than three years or detention, and shall also be fined.
Policy on Child Labour
The Labor Law Article 15 explicitly prohibits employers from hiring minors under the age of 16. At the same time, it stipulates that cultural, sports, and special craft units must abide by national regulations when recruiting minors under the age of 16.
Policy on Hours of Labour
Standard working hours system
This is the most widely applicable working hours system and serves as the basic standard for working hours management. According to Article 36 and Article 38 of the Labor Law, employees are not allowed to work more than 8 hours per day and no more than 40 hours per week on average. Employers are also required to ensure that workers have at least 2 days of rest per week. For example, in most positions, such as administrative and clerical staff in ordinary companies, this type of working hours system is adopted, and the working hours are relatively fixed.
This is the most widely applicable working hours system and serves as the basic standard for working hours management. According to Article 36 and Article 38 of the Labor Law, employees are not allowed to work more than 8 hours per day and no more than 40 hours per week on average. Employers are also required to ensure that workers have at least 2 days of rest per week. For example, in most positions, such as administrative and clerical staff in ordinary companies, this type of working hours system is adopted, and the working hours are relatively fixed.
Policy on Coercion and Harassment
Article 1024 of the Civil Code stipulates that infringing upon another person's right to reputation requires bearing civil liabilities, such as making an apology.
Policy on Health and Safety
Female employees are prohibited from being assigned to work in underground mines or in jobs with a fourth-level physical labor intensity; during menstruation, they are not allowed to be assigned to high-altitude, low-temperature, or cold water operations or third-level physical labor intensity jobs; those who are seven months pregnant or more are not allowed to have their working hours extended or work night shifts; during the lactation period, there are corresponding job positions and working hours restrictions to ensure the health of mothers and infants.
Policy on Concern for the Environment
Some enterprises will clearly stipulate the environmental protection reward and punishment rules in their contracts. If employees perform outstandingly in environmental protection work, such as proposing effective emission reduction suggestions, promptly stopping major pollution incidents, etc., the employers can offer rewards like bonuses and honors; if employees violate environmental protection terms, such as operating illegally causing environmental pollution, or damaging environmental protection facilities, etc., the employers can impose corresponding penalties based on the severity of the situation.
Policy on Sensitive Transactions
It is necessary to clearly inform employees of the definition standards, prohibited situations, and compliance procedures for sensitive transactions, such as major project transactions and data cross-border transmission. These must be reported in advance and undergo multiple levels of approval. At the same time, a supervision mechanism should be established, such as auditing transaction records and setting up monitoring for data access permissions; it is also necessary to guarantee the employees' right to report, protecting those who report sensitive violations of regulations.
Policy on Commercial Bribery
The terms will first clearly define commercial bribery and related concepts to avoid subsequent disputes over definitions. Generally, commercial bribery refers to the behavior where employees, while performing their duties and conducting business, seek improper benefits by bribing relevant personnel of the cooperating party, or accepting improper benefits given by the cooperating party.
Accounting Controls, Procedures and Records
Fixed asset procurement: A "Fixed Asset Procurement Application Form" must be submitted. After approval, the procurement will be carried out. Upon arrival, the receiving department, the purchasing department, and the finance department will jointly conduct the acceptance and fill in the "Fixed Asset Acceptance Form".
Use and Disclosure of Inside Information
Incident determination:
Unauthorized disclosure of financial information to external entities or individuals, resulting in damage to the enterprise's reputation or economic losses;
Unauthorized copying and dissemination of sensitive information, causing the spread of information;
Information leakage due to improper operation (such as account theft, equipment loss) is not reported promptly.
Unauthorized disclosure of financial information to external entities or individuals, resulting in damage to the enterprise's reputation or economic losses;
Unauthorized copying and dissemination of sensitive information, causing the spread of information;
Information leakage due to improper operation (such as account theft, equipment loss) is not reported promptly.
Confidential or Proprietary Information
After an information leak occurs, the affected party must immediately report to the financial supervisor and take remedial measures (such as withdrawing the information, changing the account password).
The finance department and the information department jointly assess the scope of the leak impact and formulate the "Information Leakage Emergency Response Plan", clearly defining the stop-loss measures.
The finance department and the information department jointly assess the scope of the leak impact and formulate the "Information Leakage Emergency Response Plan", clearly defining the stop-loss measures.
Policy on Conflicts of Interest
Indirect Conflict of Interest:
Employees (including their relatives) hold positions or provide services in competing entities (such as financial consulting, auditing);
Employees use their position advantages (such as having access to procurement budgets, payment cycles) to provide business information or preferential cooperation opportunities to related parties (friends, classmates, etc.);
Employees are involved in financial projects (such as investment and financing, tax planning), and their close relatives hold key positions (such as financial directors, project coordinators) in the project partners.
Employees (including their relatives) hold positions or provide services in competing entities (such as financial consulting, auditing);
Employees use their position advantages (such as having access to procurement budgets, payment cycles) to provide business information or preferential cooperation opportunities to related parties (friends, classmates, etc.);
Employees are involved in financial projects (such as investment and financing, tax planning), and their close relatives hold key positions (such as financial directors, project coordinators) in the project partners.
Policy on Fraud and Similar Irregularities
Financial Fraud Behaviors:
Funds-related Fraud: Forging payment vouchers and falsely reporting the recipient information to obtain enterprise funds; Misappropriating cash and bank deposits, transferring funds through false expenses, fictitious suppliers, etc.
Funds-related Fraud: Forging payment vouchers and falsely reporting the recipient information to obtain enterprise funds; Misappropriating cash and bank deposits, transferring funds through false expenses, fictitious suppliers, etc.
Policy on Monitoring
Article 44 Supervision of Archives Management
Each supervisory entity must establish a complete set of supervision archives, including supervision plans, spot-check records, interview summaries, issue notices, rectification reports, supervision reports, etc., of relevant materials;
The supervision archives are uniformly managed by the internal audit department. Paper archives are bound and archived annually, while electronic archives are encrypted and stored. The retention period is no less than 10 years.
Each supervisory entity must establish a complete set of supervision archives, including supervision plans, spot-check records, interview summaries, issue notices, rectification reports, supervision reports, etc., of relevant materials;
The supervision archives are uniformly managed by the internal audit department. Paper archives are bound and archived annually, while electronic archives are encrypted and stored. The retention period is no less than 10 years.
Policy on Inspection and Certification
Article 44 Supervision of Archives Management
Each supervisory entity must establish a complete set of supervision archives, including supervision plans, spot-check records, interview summaries, issue notices, rectification reports, supervision reports, etc., of relevant materials;
The supervision archives are uniformly managed by the internal audit department. Paper archives are bound and archived annually, while electronic archives are encrypted and stored. The retention period is no less than 10 years.
Each supervisory entity must establish a complete set of supervision archives, including supervision plans, spot-check records, interview summaries, issue notices, rectification reports, supervision reports, etc., of relevant materials;
The supervision archives are uniformly managed by the internal audit department. Paper archives are bound and archived annually, while electronic archives are encrypted and stored. The retention period is no less than 10 years.
Article 53 Professional Conduct Norms
Article 53 Professional Conduct Norms
Integrity and Self-discipline Requirements:
Employees are prohibited from soliciting or accepting gifts (in cash, gifts, gift cards, etc.) from business partners (such as suppliers, customers) through the convenience of their financial positions, or accepting banquets, tours, etc. that may affect impartial performance of duties;
It is strictly forbidden to collect kickbacks under the guise of "handling fees" or "intermediary fees", or to obtain improper benefits indirectly through third parties such as relatives or friends.
Integrity and Self-discipline Requirements:
Employees are prohibited from soliciting or accepting gifts (in cash, gifts, gift cards, etc.) from business partners (such as suppliers, customers) through the convenience of their financial positions, or accepting banquets, tours, etc. that may affect impartial performance of duties;
It is strictly forbidden to collect kickbacks under the guise of "handling fees" or "intermediary fees", or to obtain improper benefits indirectly through third parties such as relatives or friends.
Services and Support
Sample Policy
The buyer fills out the "Sample Application Form" provided by the factory, specifying information such as the sample name, specifications, quantity, customization requirements, and delivery address.
Guarantee
After the buyer receives the samples, they are required to provide the acceptance results within the agreed time frame (usually 3-7 working days), including confirmation on whether the appearance, functionality, and parameters meet the requirements.
Export/Import Support
We offer dual-clearance services to facilitate smooth customs processes for our buyers. We assist in preparing all necessary import and export documents, including commercial invoices, packing lists, and product inspection reports.
After Sales Services
Suppose mass-produced products have batch-related quality issues that fail to meet customized requirements like deviations in appearance, craftsmanship, non-compliance with functional parameters, or other specified standards. Our factory will promptly dispatch technicians to verify the root cause.
Customer Service e-mail
admin@nanjngshuangxinda.com
Newsroom
Newly established cooperative laboratory
Recently, Tianjin Sunton Import and Export Trading Co., Ltd. (hereinafter referred to as "Tianjin Sunton") officially reached a cooperation agreement with Tianjin BioPharma Quality Testing Laboratory, adding a professional laboratory as a core detection support, and further upgrading the full-process quality control system for peptide products.
The laboratory involved in this cooperation has dual certifications of CNAS and CMA, and possesses precision equipment such as high-performance liquid chromatography (HPLC) and microbial limit detection instruments. It will mainly undertake key projects such as raw material purity testing (such as 99% purity.
The laboratory involved in this cooperation has dual certifications of CNAS and CMA, and possesses precision equipment such as high-performance liquid chromatography (HPLC) and microbial limit detection instruments. It will mainly undertake key projects such as raw material purity testing (such as 99% purity.
Management
Ensure the quality of the products is up to standard
Nanjing Shuangxindashi has always adhered to the "honesty" principle it held when it was founded: by conducting professional research and development to enhance product quality, by providing efficient services to connect with the global market, by offering value to customers, and by making contributions to the industry.
Contact Person
Mr.ZHAO, LIANG
Job Title
BOSS
Trading Services
Trading Activities
We can employ a multi-channel approach for customer acquisition. This includes joining cross-border B2B platforms like International Station and the Global Sources Network to showcase our OEM/ODM capabilities, production capacity, and international certifications. Additionally, participating in major international industry exhibitions as CeBIT in Germany, similar events in the United States, and the Global Sources Exhibition in Hong Kong, allows for valuable face-to-face communication with overseas brand owners and cross-border e-commerce sellers.
Product Range
Slimming peptide: Dual-target/multi-target drugs are emerging as research hotspots, with oral preparations and long-acting injections enhancing patient compliance.
Cosmetic peptides: Multifunctional composite peptides, biomimetic peptides, and targeted delivery systems (such as liposome encapsulation) have become innovative directions.
The role of Chinese enterprises has transformed: From raw material suppliers to brand partnerships and technology exports. Some enterprises have obtained international certifications (such as REACH, Cosmos).
Cosmetic peptides: Multifunctional composite peptides, biomimetic peptides, and targeted delivery systems (such as liposome encapsulation) have become innovative directions.
The role of Chinese enterprises has transformed: From raw material suppliers to brand partnerships and technology exports. Some enterprises have obtained international certifications (such as REACH, Cosmos).
Supply Chain Elements
Main chain synthesis: Generation of the peptide main chain through biological fermentation
Purification: Three-step chromatography (affinity - ion exchange - molecular sieve), removing impurities (host protein, nucleic acid)
Side chain modification: Connecting C18 fatty acid chains (key process)
Refining: Crystallization, freeze-drying, final purity >98%
Technical breakthrough: Continuous production flow reduces the time from 12 hours to 5 hours, energy consumption drops by 40%, and labor costs decrease by 50%.
Purification: Three-step chromatography (affinity - ion exchange - molecular sieve), removing impurities (host protein, nucleic acid)
Side chain modification: Connecting C18 fatty acid chains (key process)
Refining: Crystallization, freeze-drying, final purity >98%
Technical breakthrough: Continuous production flow reduces the time from 12 hours to 5 hours, energy consumption drops by 40%, and labor costs decrease by 50%.
Capital Financing Terms for Buyers
Core parameter filling: Please supplement quantitative indicators such as investment amount, equity ratio, production capacity commitment, and order growth rate based on the actual cooperation situation. It is recommended to refer to the past 3 years of export data and industry average levels.
OEM Services
The newly added OEM terms have covered four core scenarios: outsourcing scope, quality control, intellectual property rights, and delivery fulfillment. Moreover, through Annexes 6-8, the technical and pricing details have been specified to avoid ambiguity in the agreement.
Quality Control Measures
Each batch of finished products shall be initially inspected by the internal laboratory of the contractor. After passing the initial inspection, the products shall be re-inspected by a third-party testing institution (such as SGS, SPN Testing) designated jointly by both parties.
Product Inspection and Documentation Policies
The contractor shall establish an electronic traceability system, such as an ERP MES system, through which the client can query the complete process record of any batch in real time. All paper records, production records, and test reports shall be kept for at least one year after the product.
Product Shipping Terms for Buyers
If the delay is not caused by force majeure, Party B shall pay a penalty of 0.1% of the transportation cost for each overdue day. If the delay exceeds 7 days and affects the delivery of the order of Party A, Party A has the right to cancel the order.
Minimum Order and Delivery Terms
MOQ: 1 piece
Delivery time: 7 days
Delivery time: 7 days
Staff and Management Structure
Production Manager: Over 5 years of experience in peptide production management and holds a GMP internal auditor certificate
Quality Manager: Over 3 years of experience in peptide testing and familiar with USP/EP/CP pharmacopoeia standards
Quality Manager: Over 3 years of experience in peptide testing and familiar with USP/EP/CP pharmacopoeia standards
Staff Verbal and Written Communication Skills
Language Specialized Training: Party B is required to incorporate language proficiency into the annual training plan (Appendix 20 for supplementation). Specific requirements are as follows:
Frequency: English training once per month, and language training for minor languages
Frequency: English training once per month, and language training for minor languages
Major Buyers
Special terms for major buyers: Clearly define the criteria for identifying major buyers, the cooperation guarantee mechanism, and the rights and responsibilities of both parties. These terms are in harmony with the original agreement's OEM services, quality management, transportation guarantees, etc.
Major Suppliers
Confidentiality
Major Brands Traded
Shuangxinda
Key Areas of Expertise
Every quarter, Party A may randomly select one batch of products and entrust a third-party institution (such as SGS, SPN Testing) to verify the technical application effect of Party B (such as consistency of purity test results and process stability).
OEM/ODM
Factory OEM/ODM Capabilities
1. Core of OEM capability: Standardized production + Efficient fulfillment
Focus on "customers providing designs/technical specifications", achieving precise replication production.
Support flexible adjustment in batch size, from small-scale pilot production to large-scale mass production with quick switching.
Strictly control delivery time and cost, possessing mature production scheduling and cost optimization systems.
2. Core of ODM capability: Full-chain service from demand to finished product
Accept "customers' proposed functions/scenario requirements", providing an integrated solution.
Focus on "customers providing designs/technical specifications", achieving precise replication production.
Support flexible adjustment in batch size, from small-scale pilot production to large-scale mass production with quick switching.
Strictly control delivery time and cost, possessing mature production scheduling and cost optimization systems.
2. Core of ODM capability: Full-chain service from demand to finished product
Accept "customers' proposed functions/scenario requirements", providing an integrated solution.
Number of Production Lines
5
Factory Size
50000.0 Square Metre
Number of QC Staff
10 to 19
Number of Production Staff
20 to 29
Number of R & D Staff
20 to 29
Years of OEM/ODM Experience
10
Design Services Offered
Have patent layout awareness, be able to avoid intellectual property risks, and ensure product compliance.
Production end: Equipment automation degree, production line adaptability, and capacity ramp-up speed.
Production end: Equipment automation degree, production line adaptability, and capacity ramp-up speed.
Buyer Labels Offered
Customers provide the complete design/ specifications, and the factory only performs the production.
Materials/Components Used
Standardized orders: Use the factory's existing standard designs or mature products, and place orders quickly for production
Machinery and Equipment Used
Emulsifier machine: Produces cream and lotion-type skin care products, achieving water-oil mixture emulsification. It includes vacuum homogenization, emulsifiers and high shear emulsifiers to ensure a fine texture.
Monthly Capacity
90,000 to 99,999 Barrels
Monthly Output
90,000 to 99,999 Barrels
Minimum Order
1 to 99 Barrels
Major Markets Served
Eastern Europe, North America, Western Europe, Australasia, Central/South America, Asia
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