... Extruder single-screwBlow molding ScrewThe rapid development of packaging industry, blow the plane has become increasingly broad application, the screw ... Φ20mm300mm Aspect radio:L/D1555Length≤18000mmExhaust screwRange of Exhaust Screw applications is very wide, and its success is a ... factories designed more unique, more rational, more practical screw based on the merits of the original design,Our foam ...