Chang Yi was established in 2003. Since establishment, it does not only own the most professional technology and the most advanced facilities, but also the best services. It aggressively researches and develops for innovation and improvements; as the result, a positive quality reputation has earned by clients worldwide.

Recently, Chang Yi actively engages in manufacturing stainless ball valve and assorted stainless hardware. We satisfy the different requirements of our customers, and at the same time, maintain a strict standard of the details during manufacturing process. Chang Yi has upheld the supremacy of the best quality and service for its business goals.