Zhangjiagang Lvhuan Machinery Co., Ltd. is the leader of PTFE calendering equipment manufacturing technology. In PTFE processing, our company has introduced SFFD400 PTFE sealing tape production line, SFFD600 PTFE micro-porous film extrusion calendering substrate unit, SFFD800 PTFE high strength film calendering unit, which has effectively promoted the progress of PTFE