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With over 27 years of experience in metal manufacturing, our engineers share practical knowledge about sheet metal fabrication, CNC machining, casting, and surface treatment. Each article is designed to help you better design, purchase, and manufacture metal parts.

Our certificates

By Jessica Cui · Reviewed by Matthew Wu · Last updated 2026-09-21

Business LicenseAlibaba Certified SupplierISO 9001 quality management system certificate RoHS certificate of compliance Certified to ISO 9001:2015 (certificate number visible on the image).

RoHS test report issued by STAR-TECH (Shenzhen) Co., Ltd. (Report No. ST20260130007-4).

RoHS test report, Report No. ST20260130007-4

Third-party verification report issued by TÜV Rheinland (Report No. 484163014_P+T).

TÜV Rheinland verification report, Report No. 484163014_P+T


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