How to Reach Us
Contact our Hangzhou office for bulk ingredients, COA, samples and technical consultation.
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Address
309-2, Bldg 2, No.371 Mingxing Rd, Xiaoshan ETDZ, Hangzhou, Zhejiang, China
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Tel
+86 571 87113616
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Fax
+86 571 87116265
- Web
- COA & Specs
- Sample Request
- MOQ Review
- Global Export
Send Your Inquiry
Share your product name, target specification, order quantity and destination market. Our team will review your request and respond with sourcing details.
What We Can Help With
Use this page for ingredient sourcing, technical documents and commercial supply questions.
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Bulk Ingredients
Request food-grade vitamins, amino acids, bioactive compounds, coenzymes and nutritional additives for supplement, food and cosmetic applications.
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COA & Specs
Ask for COA, specification sheet, MSDS, food-grade qualification certificate and related export compliance documents.
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Samples & MOQ
Confirm sample availability, minimum order quantity, packaging format, lead time and shipment options for your market.
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Technical Consultation
Discuss specification matching, formulation compatibility, anti-oxidation packaging and storage guidance for your production process.
Inquiry Process
A clear request helps our team match the right ingredient grade, documents and quotation faster.
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Send Product Details
Share ingredient name, target specification, purity, dosage form, quantity and destination market.
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Review Specification & Documents
Our team checks available grades, COA, MSDS, sample availability and MOQ for your project.
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Confirm Quote & Sample
We provide price, lead time, packaging, sample options and logistics information based on your inquiry.
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Start Bulk Supply
After approval, SUNWAY supports batch confirmation, export documents, shipment and repeat-order coordination.
Information to Include in Your Message
These details help reduce back-and-forth and make your quotation more accurate.
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Ingredient Requirement
Product name, purity, assay method, source, mesh size, active content or custom specification.
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Commercial Details
Target quantity, sample request, MOQ expectation, packaging, shipping country and estimated purchase timeline.
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Document Needs
COA, MSDS, food-grade certificate, export invoice requirements or custom quality questionnaire.
Frequently Asked Questions
Common questions before contacting SUNWAY for ingredients or technical support.
Please include product name, target specification, order quantity, destination market, packaging requirement, COA needs, sample request and expected timeline.
Yes. Qualified B2B buyers can request COA, specification sheet, MSDS and related technical documents for supplier approval.
Sample availability depends on ingredient, grade, stock status and destination country. Please share your product name and target specification first.
Yes. Our warehouse supports consolidated mixed loading of vitamins, amino acids and bioactives to reduce shipping fees and delivery times.
Response time depends on inquiry detail, time zone and document complexity. A complete request with product name, specification and quantity helps our team reply more efficiently.