Shieyu Valve Company Ltd. is a thermoplastic valve manufacture and was found in 1973. We are the first and biggest plastic valve and pipe manufacturer in Taiwan who has designed and manufactured a complete system of valves, pipes, and fittings. For the past 39 years, we have market and distribute our products to over 30 countries worldwide. Shieyu's high quality, outstanding performance, and technical service standards have gained reputation and recognition from our customers ever since.

For many years, Shieyu has been continuously developing innovative products and striving to succeed. We are certified by NSF (American National Sanitation Federation) and ISO9001 approved by Lioyd's as well as BSI. We are still expanding our product line in different specifications for a complete system approach. Shieyu developed more than 30 kinds of valve products including Diaphragm Valve, Butterfly Valve, Ball Valve, and Check Valve from a broad range of materials such as UPVC, CPVC, HDPE, PPH, PPs and PVDF. Shieyu has imported the advanced extrusion machines from CINCINNATI in Austria and BATTENFELD in Germany to meet the industry and construction requirements. We are also the leading manufacturer of 60" plastic valves and up to 24" pipes and fittings.