FAQ

Q

Are you a manufacturer or a trading company?

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A

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.

Q

What products do you offer and which industries do they serve?

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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.

Q

What quality standards, certifications, and documentation do you provide?

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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. 

Q

Do you offer customized specifications and packaging?

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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.

Q

Can I request free samples?

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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).  

Q

What is your minimum order quantity (MOQ)?

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  • Samples: 50–100 g

  • Trial Orders: 25 kg

  • Commercial Orders: 500 kg+ to full container loads

    Please contact our sales team for product-specific details.

Q

Which markets do you serve and do you support OEM/ODM contract manufacturing?

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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.

Q

How do you ensure consistent product quality?

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Quality consistency is maintained through strict raw material controls and thorough pre-shipment batch testing to guarantee compliance with agreed specifications.

Q

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

  • Incoterms: EXW, FOB, CFR, and CIF

Q

How can I request a quotation?

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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.