1998
Foundation
ZGV · INDUSTRIAL VALVE MANUFACTURING · WENZHOU
Industrial valvesfor demanding service.
Founded in 1998, Zhejiang Zhonggong Valve Group manufactures industrial valves for petrochemical, power, metallurgy, pharmaceutical and infrastructure applications.
011998Founded
0223,800+m² manufacturing footprint
03680+team members
045group companies
0530+production units
About Zhonggong Valve Group
Industrial valve manufacturing
since 1998.
Zhejiang Zhonggong Valve Group Co., Ltd. is headquartered in Oubei, Yongjia, Wenzhou, with manufacturing operations across Wenzhou, Lishui and Qingtian. The group brings valve research, engineering, manufacturing and sales into one operating system.
The Oubei headquarters houses administrative, research, sales, quality-control and process-management functions. The group has five subsidiaries, including three wholly owned subsidiaries and two controlled companies.
Company profile and history ↗
Company history / Since 1998
From one factory to a
multi-site manufacturing group.
Four milestones in CNZG’s manufacturing development since 1998.
Zhejiang Zhonggong Valve Group2002
Expansion
Production expanded and moved to Oubei Wuxing Industrial Zone under the name Zhejiang Zhonggong Valve Co., Ltd.
2009
Group development
The company became Zhejiang Zhonggong Valve Group Co., Ltd., with registered capital of RMB 56.78 million and four subsidiaries.
2023
Digital transformation
A digital-workshop transformation programme began to improve production efficiency and specialised manufacturing capability.
Find your starting point
Search a model.
Or explore 11 valve families.
Use a known model number, product name or valve family. If the selection is still open, start the RFQ with the operating conditions.
Butterfly Valves
D343W6/10/16/25P
Large Bore Flanged Butterfly Valve
Large boreStainless steelFlanged
Ball Valves
BQ41F-16/25P
Integrated Insulated Ball Valve
InsulatedIntegratedFlanged
Ball Valves
Q347F-150LB
Worm Gear Fixed Flanged Ball Valve
Class 150Worm gearTrunnion mounted
Manufacturing capability
From material control
to final inspection.
Machining centres and CNC equipment work alongside inspection capabilities including NDT, tensile testing, chemical analysis, ultrasonic thickness measurement, spectrometry and hardness testing.
Explore manufacturing capability ↗
01
Material control
Material control
Incoming materials and cast or forged components establish the first quality gate in the manufacturing sequence.
02
Precision machining
Precision machining
Dedicated machining units support valve bodies, sealing surfaces and critical connection features.
03
Assembly
Assembly
Assembly, in-process records and operator checks are presented as one understandable manufacturing sequence.
04
Testing
Testing
Pressure testing, non-destructive examination and quality records support product verification.
05
Delivery
Delivery
Finished products move through preparation, storage and dispatch ready for project delivery.
Industry applications
Valve products for
eight industrial sectors.
CNZG products serve oil and gas, petrochemical, power, pharmaceutical, mining, metallurgy, pulp and paper, and urban infrastructure applications. Share the medium, pressure, temperature, size and applicable standards for product confirmation.
Explore industry applications ↗01Oil & GasIndustry application↗02PetrochemicalIndustry application↗03Coal ChemicalIndustry application↗04Power & EnergyIndustry application↗05Pharmaceutical & Fine ChemicalIndustry application↗06Metallurgy, Mining & AluminiumIndustry application↗07Pulp & PaperIndustry application↗08Urban Infrastructure & WaterIndustry application↗
Quality & qualifications
Quality systems,
qualifications and inspection.
Review company qualifications, management-system certificates and inspection capabilities.
Review quality and qualifications ↗
01
ECM Verification
Company qualification
02
特种设备生产许可证
Company qualification
03
质量管理体系认证
Company qualificationProject enquiries
Send your product and
operating requirements.
Provide the model, or share the medium, temperature, pressure, size, materials, connection and applicable standards. Our sales team will follow up on the request.
