About Us
Service-Oriented
Sustainable Development
“Service-Oriented, Sustainable Development” is the enterprise spirit of Cheng Chuan. We update manufacturing equipment and testing instruments periodically; besides, we work for raising the manufacturing efficiency and the quality of products to provide better products for our customers.
In order to ensure the quality of products have international competitiveness. We passed the certification of ISO 9001 on October 2005 and receiving CNS Mark of National Standards of the Republic of China from Bureau of Standards, Metrology and Inspection, M.O.E.A. on June 2010. All the efforts we have done are for the promises of high-quality we have made.
In order to ensure the quality of products have international competitiveness. We passed the certification of ISO 9001 on October 2005 and receiving CNS Mark of National Standards of the Republic of China from Bureau of Standards, Metrology and Inspection, M.O.E.A. on June 2010. All the efforts we have done are for the promises of high-quality we have made.


66000 ㎡
Nowadays, ten product lines distributed in six plants of our company which occupied about 66,000 ㎡.

219 mm
The maximum of the tube diameter that we are able to make is 219mm, thickness of the tube is 9.0mm. In the near future, we will be able to make 400mm square tube, and tube thickness is 16.0mm.

1000 +
We can produce more than 1000 types of steel tubes, including welding black steel tube, galvanized steel tube, carbon steel tube for general structure, carbon steel tube for mechanical structure, carbon steel pipes for pressure service, ERW steel pipe, rigid steel conduit (no thread/thread).

40 Years+
After 40 years of operation, we continuously improve and innovate to meet the needs of more customers.

CERTIFICATION OF CONFORMITY
ISO 9001:
2008/CNS 12681
The production and sale of:
Carbon steel pipes for general structure, carbon steel square and rectangular tubes for general structure, carbon steel pipes for machine structures, rigid steel conduit, round and rectangular pipes for furniture, welding black steel pipes, zinc-plated steel pipes, galvanized steel conduit for electrical wires and cables, carbon steel pipes for ordinary piping, carbon steel pipes for pressure service.
