TIANYAN HOLDING CO., LTD.
ZhEJIANG TIANYAN HOLDING CO., LTD. is a well-known solution provider for plastic piping system in the world, whose customers come from more than 60 countries and regions,Building piping system application, industrial piping system application.agricultural piping system application, and their professional solutions are the mainly business.
They are more than 20 series, including PVC-U, PP-R, CPVC, and PP piping system, totally more than 20000 pieces products, which can cover most of the mainly piping standard in the world. The annual output is more than 30000 tons. TIANYAN already became one of the important providers of piping system.
The system certification of ISO9001, ISO14001, OHSAS 18001 had be passed, also the CE, NSF, WRAS and so on. They are around 100 patents, including all kinds of invention and technology patents for piping system, which owned by TIANYAN.