The insulator has 3 layer of skin foam skin and cortex,or 2 layer of skin foam. Conductor cleaning and preheating equipment. The extrudes d. Nitroge injection system e.cooling equipment f. Related test instrument.
Production line needs control,operation and management system,etc.
One complete set of bidding document is RMB 800 yuan. It may roll helical veins and annular veins. It may regularize depth of rolled veins and the worm is adjustable. It meets requirement for leaking coaxial cable production. One complete set of the bidding document is non-refundable RMB400 yuan.