Factory Certificates Introduction

Certificates and inspection documents for Xinzhe seamless stainless steel, duplex and nickel alloy pipe and tube orders. Every approval the manufacturer currently holds is indexed here — from the ISO 9001:2015 quality management system certificate to the classification-society, petroleum-standard and market-access approvals. The list grows as new certificates are issued. Select a certificate to review its scope and download the original document.

ISO 9001:2015 — quality management system

The manufacturer holds a quality management system certificate against GB/T 19001-2016 / ISO 9001:2015, issued by Zhejiang Quanpin Certification Co., Ltd. and valid to 10 April 2028. The certified scope covers the manufacture and sale of seamless steel pipe at three audited sites in Songyang County, Zhejiang, and is subject to an audit of validity at least once a year.

Certificate number
20225Q20340R1M
Certification body
Zhejiang Quanpin Certification Co., Ltd. (CNAS C197-M)
Issued / valid to
11 July 2025 – 10 April 2028
Scope
Manufacture and sale of seamless steel pipe within the scope of qualification

Read the ISO 9001:2015 certificate page — scope wording, audited sites, verification route and the PDF.

ISO 45001:2018 — occupational health and safety management system

The manufacturer holds an occupational health and safety management system certificate against GB/T 45001-2020 / ISO 45001:2018, issued by Beijing Xinjiyuan Certification Co., Ltd. under CNAS accreditation (C178-M) and valid from 17 November 2025 to 28 November 2028. The certified scope covers the manufacturing and sales of stainless steel seamless pipe at No. 209, Ruiyang Avenue, Songyang County, Zhejiang.

Certificate number
19819SK2057R2M
Certification body
Beijing Xinjiyuan Certification Co., Ltd. (CNAS C178-M)
Issued / valid to
17 November 2025 – 28 November 2028
Scope
Manufacturing and sales of stainless steel seamless pipe

Read the ISO 45001:2018 certificate page — scope wording, verification route and the PDF.

ISO 14001:2015 — environmental management system

The manufacturer holds an environmental management system certificate against GB/T 24001-2016 / ISO 14001:2015, issued by Beijing Xinjiyuan Certification Co., Ltd. under CNAS accreditation (C178-M) and valid from 17 November 2025 to 28 November 2028. The certified scope covers the manufacturing and sales of stainless steel seamless pipe at No. 209, Ruiyang Avenue, Songyang County, Zhejiang.

Certificate number
19819EK2320R2M
Certification body
Beijing Xinjiyuan Certification Co., Ltd. (CNAS C178-M)
Issued / valid to
17 November 2025 – 28 November 2028
Scope
Manufacturing and sales of stainless steel seamless pipe

Read the ISO 14001:2015 certificate page — scope wording, verification route and the PDF.

Last reviewed: · Wenzhou Xinzhe Tech Co., Ltd. · Ask for a quotation

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Factory Certificates