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About Tianyan


Scale plastic piping system supplier

What we are

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. 


About Tianyan

Annual output





Factory area


Product category

R&D Strength

There is a team in TIANYAN, which team has the experience of piping system R&D more than 20 years. This team studies the mainly piping system standards and applications in the world, and supplies the product solution. More

than 20000 pieces products had been designed by them, and around 100 patents had been obtained.

There is a partner team, which team has the experience of Industrial Design more than 10 years. Around 1000+

patents and 100+ Red Star Design Awards and others awards had been obtained by them. 

Comfortable hand feeling, Easy to operation, easy to assembly, rational structure, and long service life, are the

characteristics of TIANYAN products.

Trust in our authority
We had many professional inspections and certificates. We had passed inspections of CE, NSF, SCS, and get the certificates of ISO 9001, ISO 14001, OHSAS 18001, and WRAS, and so on
Trust in our solutions
We have professional R&D team, QA&QC team, marketing team. We have many patents and awards, can supply highest quality OEM products, and help you and do with you to settle any kind of logistical probl
Trust in our production capacity.
We have more than 30 pipe extruding machines, and 200 injection molding machines. And those figures still increase each year.

To create value to customers. To create opportunity to staff.To create benefit to society.