Company identity, factory visuals, and supporting documents

Information buyers often want to verify first.

We understand that many buyers want to confirm supplier identity before spending time on detailed product discussion. We bring together company registration, factory visuals, and supporting references so you can cross-check who we are. Certificates and reports can be provided on request for relevant products and projects.

Official business license for Yuyao Xinfeng Plastic Chemical Co., Ltd.
Legal registration

Official business license on file.

Our business license shows Yuyao Xinfeng Plastic Chemical Co., Ltd. as the legal entity. We share it here so buyers can verify the company name and address shown in our online company details.

Company name: Yuyao Xinfeng Plastic Chemical Co., Ltd.
Address shown online: No. 359 North Xinjian Road, Yuyao, Zhejiang Province, China.
Use on site: Proof of the company identity behind the Sinfone brand.
Factory visibility

Factory, equipment, and testing visuals from the operating business.

We prefer to show real factory, warehouse, line, equipment, and testing visuals instead of asking buyers to rely only on general marketing claims.

Testing support

Laboratory and testing instruments shown in company materials.

The company profile references tools such as a six-light source color assessment cabinet, melt flow indexer, colorimeter, aging tester, injection molding equipment for color matching, film-blowing equipment for dispersion review, impact testing, and analytical balance support.

Testing instruments and laboratory equipment
Testing instruments shown in company materials, including color assessment, melt flow, aging, dispersion testing, and related quality-control equipment.

Third-party report support

Relevant certificates, third-party reports, and supporting documents can be provided when they match the product or project under discussion.

Testing and quality control

In-house testing support helps us keep public claims disciplined and respond more carefully when buyers need project-specific review.

Direct review process

Initial qualification still goes through direct review, sample discussion, and project-specific response.

Additional references

Other places where buyers can cross-check us.

These references are supplementary proof, not replacements for project-specific documents. Both are Chinese-language pages, so overseas buyers can use browser translation when needed.