The normal service life of PVC should be more than 30 years. You are the roof drainage of the factory building. It is suggested to set up Cai Zhong HRS rainwater system according to the height of your factory building to prevent shrinkage. Open pipe, according to the production standard of rainwater pipe, has the requirement of weather resistance and can resist ultraviolet rays.

Welcome to choose Cai Zhong pipeline and high-quality pipeline system solution supplier.