... 3.Lower maintenance cost frp pipe/water treatment1. FRP pipe can resist acid, alkali, salt, water, untreated sewage, corrosive soil or underground water and many ... resistant and durable surface appearance.4.We produce a ventilation pipe is ideal for corrosive gas transmission pipelines, including ... 8 times that of steel, cement tube 2 times.5.Pipe light weight, easy to install, can be avoided there are ...