... use 3.superior quality 4.wide varieties GF series plastic pipe material production line is mainly used in the area of ... of cables, etc. as well as PVC pipe material of all sorts of pipe caliber and wall thickness. This machine group consists mainly ... wall spiral pipe, inner wall hollow pipe, and core layer bulpo pipe, etc, it can also produce PP, PE, ABS, & PPR, PEX, silicon core pipe and pipe material ...