Import Silk Fibroin — Buy in wholesale FOB from Supplier in China
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Silk Fibroin is a hydrolyzed silk protein powder supplied by Zhenyibio Technology Inc. The ingredient is listed under the INCI name "SILK POWDER" and appears as a white or grayish‑yellow fine powder. Particle size is described as 2 - 40 mesh with an average fiber length of 350 nm, providing high solubility in aqueous formulations. The material contains 14.5 % total nitrogen and a pH range of 5.0 - 7.0, which supports skin‑friendly applications. Zhenyibio offers the product on a FOB China basis; specific pricing and MOQ are not disclosed in the listing.
In the cosmetics industry, silk fibroin powder is valued for its natural moisturizing factor properties and antioxidant activity. Typical commercial grades achieve a purity of 95 % or higher and are stored in airtight containers to preserve low moisture content. The powder is commonly used in serums, creams, facial masks and hydrogel wound‑care films due to its film‑forming ability and gentle skin compatibility.
Buyers such as formulators, contract manufacturers and skincare brands often source this ingredient for premium product lines. Importers should verify the particle‑size distribution, nitrogen content and pH specifications, as well as any required safety data sheets, before placing an order. Standard trade terms include T/T payment against shipping documents and negotiation of Incoterms such as FOB or CIF based on the buyer’s logistics plan.
| INCI Name | SILK POWDER |
| Particle Mesh | 2‑40 mesh |
| Fiber Length | 350 nm |
| Total Nitrogen | 14.5 % |
| pH Range | 5.0 - 7.0 |
| Appearance | white or grayish‑yellow powder |
| Typical Purity | typical ≥95 % |
| Typical Moisture Content | typical <5 % |
| Typical Storage | typical cool, dry, airtight container |
| Typical Packaging | typical 25 kg bulk drum |
Zhenyibio Technology Inc. is headquartered at No.29 Kejiliulu, Gaoxin District, Xi'an City, Shaanxi Province, China, postal code 71000. The supplier carries a harbour‑tier verification, confirming basic registration details, while response data shows a 0 % response rate and no recorded average response time.
The company lists Silk Fibroin powder as a high‑purity, hydrolyzed silk protein for use in cosmetics and personal‑care formulations. No additional certifications, production capacities or client references are disclosed in the listing. Prospective buyers are encouraged to request a sample and a Certificate of Analysis to confirm the stated specifications.
Silk fibroin powder is a high-purity hydrolyzed silk protein widely used as a premium moisturizing and anti-aging ingredient in cosmetic formulations. With a fine particle size of 2-40 mesh and 350nm fiber length, it provides excellent skin affinity and moisture retention for serums, creams, and facial masks. This natural protein additive is sourced from silkworm cocoons and meets the growing demand for natural and sustainable ingredients in the global beauty and personal care industry.
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| Employees | Contact Supplier |
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| Major Markets | Global |
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Sourcing Silk Fibroin from Zhenyibio Technology Inc. - China Import Guide
Importers should first confirm the powder’s purity and nitrogen content by requesting a recent Certificate of Analysis. Verify that the supplier can provide documentation of the mesh size distribution and pH stability, as these parameters are critical for formulation performance and regulatory compliance.
Logistics for Silk Fibroin are typically arranged on an FOB China basis. Discuss expected lead times, freight options and the preferred Incoterms - FOB, CIF or DDP - with the supplier. Payment is normally made by T/T against shipping documents, but the exact terms should be clarified before contract signing.
Implement quality assurance by sampling a portion of the shipment for visual inspection, moisture content and particle size verification. Arrange for third‑party testing if required by your market regulations, and ensure that all safety data sheets and compliance certificates accompany the cargo before customs clearance.
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30 suppliersBuy Silk Fibroin in Bulk — Verified Supplier in China
When sourcing Silk Fibroin for your business, securing the right balance of quality and cost is essential. Zhenyibio Technology Inc., a verified supplier based in China, offers this product with key specifications including Cosmetic Grade / Food Grade Available, Silk Fibroin Protein; Total Nitrogen 14.5%, and Mesh 2-40m; Particle Size ~350nm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $50/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 3504.00, making it a staple in the Cosmetic Chemicals sector with strong demand from importing countries worldwide.
Silk Fibroin Specifications, Trade Terms & Pricing
Importing Silk Fibroin requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhenyibio Technology Inc. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 3504.00 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Zhenyibio Technology Inc. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Silk Fibroin has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Cosmetic Chemicals category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Silk Fibroin — Shipping, Logistics & Customs
Importing Silk Fibroin requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 3504.00 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Silk Fibroin
What is the wholesale price of Silk Fibroin?
The current listed wholesale price for Silk Fibroin from Zhenyibio Technology Inc. is $50/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Zhenyibio Technology Inc. through EximNext.
What is the Minimum Order Quantity (MOQ) for Silk Fibroin?
The supplier, Zhenyibio Technology Inc., has set a Minimum Order Quantity (MOQ) of 1 Bags for Silk Fibroin. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Silk Fibroin?
For international shipping and customs clearance, Silk Fibroin is classified under HS Code 3504.00. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Silk Fibroin from China?
To import Silk Fibroin from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhenyibio Technology Inc.. Ensure you have the necessary import licenses for Cosmetic Chemicals products in your destination country.
Is Zhenyibio Technology Inc. a verified supplier?
Yes, Zhenyibio Technology Inc. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Silk Fibroin?
The key specifications for Silk Fibroin supplied by Zhenyibio Technology Inc. include Cosmetic Grade / Food Grade Available, Silk Fibroin Protein; Total Nitrogen 14.5%, and Mesh 2-40m; Particle Size ~350nm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Silk Fibroin?
Zhenyibio Technology Inc. offers Silk Fibroin with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Silk Fibroin the most?
Silk Fibroin is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhenyibio Technology Inc. through our platform.
What certifications does this Silk Fibroin supplier hold?
Zhenyibio Technology Inc. maintains international quality certifications. These ensure that the Silk Fibroin meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Silk Fibroin on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhenyibio Technology Inc. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Zhenyibio Technology Inc..
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