Are you a manufacturer or a trading company?
Synwin Biotech is the international sales platform of Xinyi Energy (Puyang) Co., Ltd., a professional manufacturer of Glycine, Amino Acid Mineral Chelates, and nutritional ingredients. We combine direct manufacturing with global technical support.
What products do you offer and which industries do they serve?
We specialize in Glycine and Amino Acid Mineral Chelates (Magnesium, Zinc, Calcium, Ferrous, Copper, Manganese, and custom formulations). Our ingredients serve the Dietary Supplement, Functional Food & Beverage, Pharmaceutical, Cosmetic, Sports Nutrition, and Pet Nutrition & Feed industries.
What quality standards, certifications, and documentation do you provide?
We follow internationally recognized quality systems. Certifications include Halal, Kosher, and FDA Registration (where applicable). Full technical packages—including COA, Specification, MSDS, TDS, Allergen, GMO, and Heavy Metal reports—are available upon request.
Do you offer customized specifications and packaging?
Yes. We can customize assay, particle size, bulk density, mesh size, packaging (standard 25 kg drums/bags or custom options), and private labeling to meet your formulation needs.
Can I request free samples?
Yes, free samples are available for evaluation<spanYes, free samples are available for evaluation. Customers only cover the shipping cost or provide a courier account (DHL, FedEx, UPS, or TNT).
What is your minimum order quantity (MOQ)?
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Samples: 50–100 g
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Trial Orders: 25 kg
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Commercial Orders: 500 kg+ to full container loads
Please contact our sales team for product-specific details.
Which markets do you serve and do you support OEM/ODM contract manufacturing?
We export globally across North/South America, Europe, Australia, Southeast Asia, the Middle East, and Africa. We heavily support OEM/ODM and contract manufacturers with consistent quality, flexible specs, complete documentation, and reliable delivery.
How do you ensure consistent product quality?
Quality consistency is maintained through strict raw material controls and thorough pre-shipment batch testing to guarantee compliance with agreed specifications.
What are your lead times and supported Incoterms?
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Lead Times: Samples: 2–5 working days
Standard Orders: 7–15 working days
Large/Urgent Orders: Scheduled upon discussion
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Incoterms: EXW, FOB, CFR, and CIF
How can I request a quotation?
Please send us the Product Name, Specification, Quantity, and Destination Country. Our sales team will respond within 24 hours with pricing, technical documents, and shipping recommendations.

