COD(Corrugated Optic Duct) pipe making machine extruder manufacture

COD(Corrugated Optic Duct) pipe machine Corrugated Optic Fiber COD color pipe C.O.D Corrugated Optic Duct It uses friction coefficient extremely low modified HDPE is the primary data, in the structure take the friction coefficient extremely low long wall tube as the sub-tube, bears the high pressure, the easy curving corrugated pipe is the female tube, after compound squeezes out becomes. It bears the high pressure, but is curving, has the discrimination, the easy constructio