This is the situation of the Central Asian customer accepting the 3PE outer wall epoxy powder treatment production line in our factory. The production line can meet the requirements of three-layer PE anti-corrosion treatment of steel pipes with a diameter of 89mm-1220mm, the first layer of epoxy powder (FBE>120um), the second layer of adhesive (AD) 170~250um, and the third layer of polyethylene (PE) 1.8-4.2mm.