Established in 1998, Zhangjiagang City A-One Machinery Co., Ltd. is a professional high tech enterprise based in Zhangjiagang City, enjoying convenient transportation access. We are fully committed to producing technologically advanced machines and products, including Parallel double screw extruders, Conical twin screw extruders, single screw extruders, PVC pipe lines, PPR pipe lines, PE pipe lines, PVC profile lines, PVC single wall corrugated pipe lines, PVC double wall corrugated pipe lines, PE single wall corrugated pipe lines, PE double wall corrugated pipes, and all kinds of auxiliary...