... pipes, and fittings. For the past 39 years, we have market and distribute our products to over 30 countries worldwide. Shieyu’s ... from a broad range of materials such as UPVC, CPVC, HDPE, PPH, PPs and PVDF. Shieyu has imported the advanced ... the production technique. Produced 14" UPVC/CPVC mold injection fittings.2007.1Taiwan factory increased 5000T injection machine into production. Produced ...