Quality and compliance materials

Quality & compliance

Every credential
with a clear applicable scope.

01 / Management systems

Three management-system certificates.
Three controlled scopes.

The Chinese and English materials for ISO 9001, ISO 14001 and ISO 45001 are grouped under their respective systems. Management-system certification and individual product certification are presented separately.

ISO 9001 Quality Management System Certification

Status: Current · assessed 23 Aug 2026

Number: 17325Q20963R0S

Standard/regulation: GB/T 19001-2016 / ISO 9001:2015

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Beijing Zhongjiaoyuanhang Certification Co., Ltd.

Scope: Manufacture and sales of pressure piping valves (metal valves) (A1 and B) within the qualification scope.

Dates: issued 08 Aug 2025 · effective 08 Aug 2025 · expires 07 Aug 2028

Limitation: The certification scope covers the management system; individual product certification is stated separately.

ISO 14001 Environmental Management System Certification

Status: Current · assessed 23 Aug 2026

Number: 17325E20559R0S

Standard/regulation: GB/T 24001-2016 / ISO 14001:2015

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Beijing Zhongjiaoyuanhang Certification Co., Ltd.

Scope: Manufacture and sales of pressure piping valves (metal valves) (A1 and B) within the qualification scope, and related office environmental-management activities.

Dates: issued 08 Aug 2025 · effective 08 Aug 2025 · expires 07 Aug 2028

Limitation: The certification scope covers the management system; individual product certification is stated separately.

ISO 45001 Occupational Health and Safety Management System Certification

Status: Current · assessed 23 Aug 2026

Number: 17325S20521R0S

Standard/regulation: GB/T 45001-2020 / ISO 45001:2018

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Beijing Zhongjiaoyuanhang Certification Co., Ltd.

Scope: Manufacture and sales of pressure piping valves (metal valves) (A1 and B) within the qualification scope, and related office occupational-health-and-safety activities.

Dates: issued 08 Aug 2025 · effective 08 Aug 2025 · expires 07 Aug 2028

Limitation: The certification scope covers the management system; individual product certification is stated separately.

02 / Enterprise production licence

Statutory licence scope,
shown by activity.

The special-equipment production licence is classified separately. Licensed activities, sub-items and product coverage are presented with the licence information.

Production License of Special Equipment, People's Republic of China

Status: Current · assessed 23 Aug 2026

Number: TS2733S61-2029

Standard/regulation: Not stated

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Zhejiang Administration for Market Regulation

Scope: Manufacture of pressure piping components: pressure piping valves (metal valves) (A1/B) and steel forged pressure-piping flanges; the exact product range is controlled by the associated type-test certificates.

Dates: expires 04 Mar 2029

Limitation: Licensed activities, sub-items and product scope are presented with the licence information.

03 / Product and industry documents

API licences and PED technical documents,
shown separately.

API 609 and API 6D are Monogram licences. The ECM document is a PED technical document, with related conformity documents supplied for the project where required.

API 609 Monogram License

Status: Current · assessed 23 Aug 2026

Number: 609-0330

Standard/regulation: API Spec Q1 / API 609

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: American Petroleum Institute

Scope: Butterfly Valves — Category A and Category B.

Dates: effective 02 Dec 2025 · expires 02 Dec 2028

Limitation: This is an API Monogram licence; applicable products and conditions of use follow the API licence requirements.

API 6D Monogram License

Status: Current · assessed 23 Aug 2026

Number: 6D-2219

Standard/regulation: API Spec Q1 / API 6D

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: American Petroleum Institute

Scope: Ball Valves, Check Valves, Gate Valves and Plug Valves.

Dates: effective 02 Dec 2025 · expires 02 Dec 2028

Limitation: This is an API Monogram licence; applicable products and conditions of use follow the API licence requirements.

ECM PED Technical Document

Status: Current · assessed 23 Aug 2026

Number: 6I230330.ZZVUC12

Standard/regulation: Module H; 2014/68/EU (Pressure Equipment)

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Ente Certificazione Macchine Srl (ECM)

Scope: Valves; the listed valve families and maximum size/pressure limits are recorded in Annex I.

Dates: issued 30 Mar 2023 · effective 30 Mar 2023 · expires 29 Mar 2028

Limitation: PED technical document; product conformity documents are supplied according to project requirements.

04 / Type-test materials

Five specific valve types.
Five separate test records.

Materials for check, globe, gate, butterfly and ball valves are shown by model and specification, with the applicable scope stated for each item.

Check Valve Special Equipment Type Test Certificate

Status: Published material · assessed 23 Aug 2026

Number: TSX71004820210351

Standard/regulation: TSG D7002-2006

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Quality Inspecting Center of Pump and Valve Products of Zhejiang Province / National Quality Inspection Center of Valves (Zhejiang)

Scope: Product model H44Y-CL600 NPS12 and specification H44Y-1601 DN200.

Dates: issued 29 Dec 2021 · No expiry date stated

Limitation: The applicable model, specification and covered range are listed above.

Globe Valve Special Equipment Type Test Certificate

Status: Published material · assessed 23 Aug 2026

Number: TSX71004820210350

Standard/regulation: TSG D7002-2006

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Quality Inspecting Center of Pump and Valve Products of Zhejiang Province / National Quality Inspection Center of Valves (Zhejiang)

Scope: Product model J541Y-CL600 NPS12 and specification J41Y-1601 DN200.

Dates: issued 29 Dec 2021 · No expiry date stated

Limitation: The applicable model, specification and covered range are listed above.

Gate Valve Special Equipment Type Test Certificate

Status: Published material · assessed 23 Aug 2026

Number: TSX71004820210349

Standard/regulation: TSG D7002-2006

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Quality Inspecting Center of Pump and Valve Products of Zhejiang Province / National Quality Inspection Center of Valves (Zhejiang)

Scope: Product model Z540Y-CL600 NPS12 and specification Z40Y-1601 DN250.

Dates: issued 29 Dec 2021 · No expiry date stated

Limitation: The applicable model, specification and covered range are listed above.

Butterfly Valve Special Equipment Type Test Certificate

Status: Published material · assessed 23 Aug 2026

Number: TSX71004820210353

Standard/regulation: TSG D7002-2006

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Quality Inspecting Center of Pump and Valve Products of Zhejiang Province / National Quality Inspection Center of Valves (Zhejiang)

Scope: Product model D343H-10C DN500 and specification D343H-CL300 NPS8.

Dates: issued 29 Dec 2021 · No expiry date stated

Limitation: The applicable model, specification and covered range are listed above.

Ball Valve Special Equipment Type Test Certificate

Status: Published material · assessed 23 Aug 2026

Number: TSX71004820210352

Standard/regulation: TSG D7002-2006

Holder: Zhejiang Zhonggong Valve Group Co., Ltd.

Issuer: Quality Inspecting Center of Pump and Valve Products of Zhejiang Province / National Quality Inspection Center of Valves (Zhejiang)

Scope: Product model Q347PEEK-CL600 NPS12 and specification Q347N-CL600 NPS8.

Dates: issued 29 Dec 2021 · No expiry date stated

Limitation: The applicable model, specification and covered range are listed above.

Equipment & inspection

Inspection equipment and activities
listed in published company materials.

The company’s published materials list the equipment categories below. Models, quantities, accuracy, inspection ranges and calibration status still require confirmation by the production and quality teams. Project applicability is subject to the agreed quality documentation.

01Non-destructive examination equipmentDefect examination

02Tensile-testing equipmentMechanical-property testing

03Chemical-analysis equipmentMaterial-composition analysis

04Ultrasonic thickness equipmentWall-thickness measurement and verification

05Spectrometry equipmentMaterial identification and composition verification

06Hardness-testing equipmentMaterial-hardness testing

Products & service

Request a Quote

Thank you. We will be in touch.

Every credentialwith a clear applicable scope.

Three management-system certificates.Three controlled scopes.

ISO 9001 Quality Management System Certification

ISO 14001 Environmental Management System Certification

ISO 45001 Occupational Health and Safety Management System Certification

Statutory licence scope,shown by activity.

Production License of Special Equipment, People's Republic of China

API licences and PED technical documents,shown separately.

API 609 Monogram License

API 6D Monogram License

ECM PED Technical Document

Five specific valve types.Five separate test records.

Check Valve Special Equipment Type Test Certificate

Globe Valve Special Equipment Type Test Certificate

Gate Valve Special Equipment Type Test Certificate

Butterfly Valve Special Equipment Type Test Certificate

Ball Valve Special Equipment Type Test Certificate

Inspection equipment and activitieslisted in published company materials.

Move from quality materials into product and project communication.

Manufacturing process

Product catalogue

Send duty and document requirements

Every credential
with a clear applicable scope.

Three management-system certificates.
Three controlled scopes.

Statutory licence scope,
shown by activity.

API licences and PED technical documents,
shown separately.

Five specific valve types.
Five separate test records.

Inspection equipment and activities
listed in published company materials.