1/4 быстрой смены навесного оборудования воздушного шланга гибкий удлинитель pe coil компрессор пневматический

both internal and external are wave-shaped it has good flexibility, resistance to distortion and good bending performance. it is oil resistant, coolant, and has shiny surface it has strong bearing capacity, can withstand the weight of the foot, does not break, can recover quickly, and has no damage itself. it is often used in machinery manufacturing, electrical insulation protection, lighting equipment, au