ZGVZHONGGONG VALVE GROUP
ZGV valve manufacturing base

Manufacturing / From material to delivery

See the manufacturing floor.
Understand how products are made.

Follow the main production stages from material control and precision machining to assembly, inspection and dispatch.

Wenzhou headquarters · Lishui production base · Five-stage process

Manufacturing sites

Wenzhou headquarters and
production sites.

Explore the company’s manufacturing layout through images of its headquarters, production sites and office environment.

Five-stage production process

From material control
to inspection and dispatch.

Material control
Stage 01

Material control

Incoming materials and cast or forged components establish the first quality gate in the manufacturing sequence.

01 / 05
Precision machining
Stage 02

Precision machining

Dedicated machining units support valve bodies, sealing surfaces and critical connection features.

02 / 05
Assembly
Stage 03

Assembly

Assembly, in-process records and operator checks are presented as one understandable manufacturing sequence.

03 / 05
Testing
Stage 04

Testing

Inspection and quality documentation support the requirements of each product and project.

04 / 05
Delivery
Stage 05

Delivery

Finished products move through preparation, storage and dispatch ready for project delivery.

05 / 05

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.

  1. 01Non-destructive examination equipmentDefect examination
  2. 02Tensile-testing equipmentMechanical-property testing
  3. 03Chemical-analysis equipmentMaterial-composition analysis
  4. 04Ultrasonic thickness equipmentWall-thickness measurement and verification
  5. 05Spectrometry equipmentMaterial identification and composition verification
  6. 06Hardness-testing equipmentMaterial-hardness testing
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