CN / EN

R&D

Changyi valve with advanced manufacturing processes to produce, all products were used according to different standard of GB, ANSI, DIN& JIS.

Quality control

In order to provide high-quality products, equipped with advanced testing equipment and perfect testing methods, Established a strict quality management team, Accomplish the quality control of the whole process from raw material inspection and production process inspection, to product application.

The spectrometer

The spectrometer

Hardness tester

Hardness tester

Vernier caliper

Vernier caliper

The spectrometer

The spectrometer

Pressure test

Pressure test

Three coordinates

Three coordinates

Hardness tester

Hardness tester

Semi-finished products detection

Semi-finished products detection

The precise and efficient machine together with the meticulous craftsmanship spirit of integration

From the advanced position precision foundry to the fully automated production workshop, on the basis of gradually integrating the whole industry chain, we still emphasize human-machine collaboration, to integrate precisely the efficient machines with meticulous craftsmanship spirit to give temperature and life for each product. Behind the excellent quality is the adherence and interpretation by each Changyi person for the corporate values of "Prosperity with the world".

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