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
SAFETY MANAGEMENT
ISO 45001:2018
ENVIRONMENTAL MANAGEMENT
ISO 14001:2015
Marine
ABS Certificate
Marine
BV Certificate
Marine
DNV Certificate
Marine
LR Certificate
PETROLEUM STANDARD
NORSOK M-650
PRESSURE EQUIPMENT
AD 2000 W 0 & PED
CUSTOMS UNION
EAC Certificate
RUSSIAN MARKET
GOST Certificate
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.