Conventional size :15-500mm Length: 4m PE and PP-R, while the use of hot-melt or fused connections ... . is a joint production and marketing PVC pipe, PP pipe, ABS pipe plastic pipe such as PVC pipe manufacturers have good tensile strength, compressive strength ... resistant pipeline industry. Conventional size :15-500mm Length: 5m PP pipe corrosion resistance, and has good strength, high surface hardness, ...