
Material control
Incoming materials and cast or forged components establish the first quality gate in the manufacturing sequence.
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ZGVZHONGGONG VALVE GROUP
Manufacturing / From material to delivery
Follow the main production stages from material control and precision machining to assembly, inspection and dispatch.
Wenzhou headquarters · Lishui production base · Five-stage processManufacturing sites
Explore the company’s manufacturing layout through images of its headquarters, production sites and office environment.




Five-stage production process

Incoming materials and cast or forged components establish the first quality gate in the manufacturing sequence.
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Dedicated machining units support valve bodies, sealing surfaces and critical connection features.
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Assembly, in-process records and operator checks are presented as one understandable manufacturing sequence.
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Inspection and quality documentation support the requirements of each product and project.
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Finished products move through preparation, storage and dispatch ready for project delivery.
05 / 05Equipment & inspection
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.
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