Shanxi Zhongcheng Metal Co., Ltd. Quality Control

We back every product with documented proof of compliance.

ISO 9001:2015 – Our quality management system is certified for the design, production, and distribution of stainless steel sheets and tubes.

Mill Test Certificates (MTC) – Each batch is traceable with EN 10204 Type 3.1 or 3.2 certificates, including chemical composition and mechanical property reports.

Third-Party Inspection – We work with SGS, Bureau Veritas (BV), and Intertek for independent testing upon customer request.

Compliance Standards – Our products meet or exceed ASTM, AISI, JIS, and EN specifications, ensuring compatibility with international project requirements.

5S Management Certification – Internally audited across all production lines, ensuring clean, organized, and efficient manufacturing conditions that directly support product consistency.

All certifications are available for review before order confirmation.