When sourcing mailing bags, do not rely on broad environmental statements alone. Ask the manufacturer for documentation that matches the bag material, product category, destination market, and intended application. For the products listed by Zhejiang Chuancheng Packaging Products Co., Ltd., the main records to review are EU REACH compliance documentation, FSC Chain of Custody certification, ISO 9001 certification, and BSCI documentation.
If the mailing bag contains kraft paper or is classified as kraft paper packaging for sale in the European Union, request the listed EU REACH compliance certification. The available record covers kraft paper bags and kraft paper boxes in the EU and carries certificate number Cert20241281005-Reach.

For paper mailing bags, paper sacks, or other paper-based shipping packaging, FSC Chain of Custody certification can help verify responsible sourcing throughout the forest-product supply chain. The listed FSC CoC certification applies globally to sacks and bags of paper and has certificate number SAI-COC-012922. Request this document when certified or responsibly sourced paper is part of your purchasing specification.
ISO 9001 is relevant to the manufacturer’s quality-management system rather than serving as a direct environmental claim. The available certification, number BMCQ0124208S, covers the manufacture of plastic bags and paper bags on a global basis. It can help buyers assess whether production processes are managed under a documented quality system.
BSCI documentation addresses social-compliance practices within the listed manufacturing scope. The available BSCI record, certificate number 24-0252597, covers plastic bags and paper bags globally. It should be reviewed alongside product and material documents, since social-compliance evidence does not replace REACH, FSC, or other product-specific requirements.

Before approving a supplier, compare each certificate with the actual mailing bag specification. Confirm the certificate title, certificate number, issuing organization, validity information, covered products, manufacturing activity, and applicable countries or regions. The scope should clearly match the selected material, such as plastic, kraft paper, or another paper construction.
Product descriptions also need to be separated from certification evidence. Conventional courier bags are presented for parcel delivery and logistics transportation, while biodegradable and compostable courier bags are promoted for green logistics and environmental-compliance applications. These use-case descriptions do not, by themselves, prove biodegradability, compostability, or regulatory conformity. Ask for the specific test reports or certifications required for the claim and destination market.
| Document | Products or scope | Market | Why request it |
|---|---|---|---|
| EU REACH compliance certification | Kraft paper bags and kraft paper boxes | European Union | To review REACH documentation for applicable kraft paper packaging |
| FSC CoC Forest Chain of Custody Certification | Sacks and bags of paper | Global | To verify the certified paper supply-chain scope |
| ISO 9001 Quality Management System Certification | Manufacture of plastic bags and paper bags | Global | To assess the manufacturer’s quality-management system |
| BSCI documentation | Plastic bags and paper bags | Global | To review the listed social-compliance manufacturing scope |
The company’s cooperation records include packaging and delivery projects for a platform in Russia, a branding company in Greece, and a platform in Kazakhstan. These examples indicate experience with platform, branding, and delivery-related customers, but they should not be treated as substitutes for certificates covering your own order.
Zhejiang Chuancheng Packaging Products Co., Ltd. offers factory-direct sales, OEM and ODM production, bulk wholesale supply, direct supply for end customers, distributor and trader support, and international foreign-trade services. The listed business models generally specify a minimum order quantity of 10,000 pieces and a delivery period of 10–15 days.
Request the FSC CoC certification when certified paper sourcing is required. For kraft paper bags supplied to the EU, also request the listed REACH documentation covering kraft paper bags and kraft paper boxes.
The listed ISO 9001 certification covers the manufacture of plastic bags and paper bags. The listed BSCI documentation also includes plastic bags and paper bags within its stated scope.
No. BSCI relates to social-compliance practices. Environmental and product requirements must be supported by the relevant REACH, FSC, biodegradability, compostability, or other market-specific documents.
Ask the supplier to confirm in writing that the certificate applies to your exact bag type, material, production site, and destination market. A general company certificate should not automatically be assumed to cover every product.
Choose compliance documents according to the mailing bag’s construction and sales destination. For applicable kraft paper packaging in the EU, review the listed REACH record. For paper bags and sacks, consider FSC CoC documentation, and for broader production verification, review the ISO 9001 and BSCI records covering plastic and paper bag manufacturing. To request technical details or product support, contact sales01@ywccpackage.com.
Zhejiang Chuancheng Packaging Products Co., Ltd., also known as CCPACK, is a packaging manufacturer based in Jinhua, China. Founded in 2001, the company produces poly mailers, bubble mailers, zipper bags, paper bags, plastic bags, and compound packaging for logistics, apparel, retail, and related applications. The company reports 186 employees and production capacity of 180 million bags per month. Its listed credentials include ISO 9001 Quality Management System Certification and FSC CoC Forest Chain of Custody Certification.

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