The production line adopts the method of multi-layer extrusion to produce five layers of composite corrosion-resistant nylon tubes. The equipment can use the following different raw materials. PA11-Tie-EVOH-Tie-PA11 PA12-Tie-EVOH-Tie-PA12 PA11-Tie-PVDF-Tie-PA11 PA12-Tie-PVDF-Tie-PA12 ETFE-PA6-PA9T-PA12-PA11 The production line selects the high-efficiency corrosion-resistant special extruder specially designed and manufactured by Konrun company for PA pipes, the head is equipped with high-speed precision extrusion device, and the front and rear solution pressure display can realize high-precision closed-loop control and extrusion, which ensures that the size of each layer of composite pipes can fully meet the design requirements. Haul-off machine cutting machine adopts our company's unique high-speed flat belt haul-off machine, high-speed flying knife cutting machine, completely subvert the common haul-off and cutting machine jitter skidding problem