... machine is composed by clamping structure, die head, extrusion system, hydraulic system, Frame, pneumatic system, cooling system, up blow device, ... be chosen by customer. 4. Main characteristic:1) Hydraulic system: Imported hydraulic control valves and oil pump are used in the ... and completely. 3)Extrusion system: Adopt transducer and hard-teeth gear box , which can reduce noise, save energy and get a ...