Import Sericin — Buy in wholesale FOB from Supplier in China
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Sericin is a silk‑derived protein powder used as an active ingredient in cosmetic and personal‑care formulations. The product supplied by Zhenyibio Technology Inc. is a white to slightly yellow powder with an INCI name of SERICIN and CAS No. 60650‑89‑7. It meets cosmetic‑grade specifications of total nitrogen ≥ 14.0 % and a pH range of 5.0‑7.0. The material is presented as a fine powder suitable for bulk blending.
Silk sericin contains a high proportion of proline and other amino acids that enhance water absorption and skin‑retention properties. In the broader protein‑powder market, typical particle sizes range from 100 µm to 200 µm and the powder is stored at 4 °C‑25 °C to preserve stability. The ingredient is recognised for antioxidant activity and its ability to inhibit tyrosine‑mediated melanin formation, making it compatible with sensitive‑skin formulations. Standard industry tests include nitrogen content by Kjeldahl and pH measurement in aqueous suspension.
Manufacturers of anti‑aging creams, moisturisers and hair‑care serums source sericin for its collagen‑supporting and moisturizing effects. Zhenyibio offers bulk shipments that can be packed in 25 kg bags or 1 tonne bulk containers, with Incoterms negotiable per buyer request. Buyers should confirm minimum order quantities, lead‑time and payment terms directly with the supplier, as the listing does not disclose these details.
| Material | Silk Sericin Protein Powder |
| INCI Name | SERICIN |
| CAS Number | 60650‑89‑7 |
| Total Nitrogen | ≥ 14.0 % |
| pH Range | 5.0‑7.0 |
| Appearance | White to slightly yellow powder |
| Typical Particle Size | 100‑200 µm (typical) |
| Typical Storage Temperature | 4 °C‑25 °C (typical) |
| Typical Bulk Density | 0.5 g/cm³ (typical) |
Zhenyibio Technology Inc. is located at No. 29 Kejiliulu, Gaoxin District, Xi'an City, Shaanxi Province, China (postal code 71000). The supplier is listed in the harbour trust tier, indicating a verified profile, although its response rate is recorded as 0.00 and average response time as 0 hours.
The company markets silk sericin protein powder for cosmetic applications and states that it complies with cosmetic‑grade specifications. The listing does not provide information on certifications, minimum order quantities, lead‑time or client references, so prospective buyers should request those details directly from the supplier.
Sericin powder is a protein-based cosmetic ingredient derived from silk, serving as a functional additive in skincare and hair care formulations. This white to slightly yellow powder meets cosmetic-grade specifications with pH 5.0-7.0 and total nitrogen content greater than or equal to 14.0%, making it suitable for sensitive skin applications. Widely sourced from Asian manufacturers, silk sericin is traded in bulk as a raw material for beauty and personal care product manufacturing.
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Sourcing Sericin from Zhenyibio Technology Inc. - China Import Guide
Before placing an order, buyers should verify the product’s INCI name, CAS number and the declared nitrogen and pH specifications against an official test report. Request a recent Certificate of Analysis and, if required, any cosmetic‑grade compliance documents to ensure the material meets regulatory expectations in the target market.
Logistics for bulk sericin typically involve loading 25 kg bags or 1 tonne bulk containers onto ocean freight. Incoterms such as FOB, CIF or DDP can be negotiated, and payment terms are usually agreed per transaction; confirm these details with the supplier. Lead‑time estimates are not disclosed, so request a production schedule to align with your project timeline.
Quality control should include verification of nitrogen content by Kjeldahl, pH measurement in aqueous dispersion and particle‑size analysis. Arrange for pre‑shipment inspection or third‑party lab testing to confirm compliance with the declared specifications. Ensure the supplier provides a full Material Safety Data Sheet and any relevant compliance certificates before finalising the purchase.
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20 listingsTop Verified Suppliers for Sericin
30 suppliersBuy Sericin in Bulk — Verified Supplier in China
When sourcing Sericin 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 / Technical Grade, SERICIN, and White to Slightly Yellow Powder. 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.
Sericin Specifications, Trade Terms & Pricing
Importing Sericin 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 Sericin 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 Sericin — Shipping, Logistics & Customs
Importing Sericin 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 Sericin
What is the wholesale price of Sericin?
The current listed wholesale price for Sericin 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 Sericin?
The supplier, Zhenyibio Technology Inc., has set a Minimum Order Quantity (MOQ) of 1 Bags for Sericin. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Sericin?
For international shipping and customs clearance, Sericin 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 Sericin from China?
To import Sericin 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 Sericin?
The key specifications for Sericin supplied by Zhenyibio Technology Inc. include Cosmetic / Technical Grade, SERICIN, and White to Slightly Yellow Powder. 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 Sericin?
Zhenyibio Technology Inc. offers Sericin with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Sericin the most?
Sericin 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 Sericin supplier hold?
Zhenyibio Technology Inc. maintains international quality certifications. These ensure that the Sericin meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Sericin 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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