Appearance test
All our steel gratings are supervised by strict QUALITY CONTROL System both in International standard and enterprise test flow. All products our customers received are qualified and best in performance and package.
We have test department to monitor and test the products we produced. All the products will be tested before loading.
The regular test include: bearing bar test, cross bar test, grating length and width test and pitch test.

Appearance test

Bearing bar test

Cross bar test

Aperture test

Length test

Width test

Thickness test

Zinc coating test
We have gained the ISO 9001 certifications. All our production are accord with international standard. And our company will accept annual inspection by the ISO certification agents. Under the ISO quality control system supervising, we never comprise to the product quality.