... designing and development of many years, the plastics single screw extruders of the brand RUN HUAhave formed the ... The scopes of screw diameter are from 30mm to 250mm, the ... such as pipe,film,monofilament,strapping,plate,blow moulding,cable and so on. The extruder series own a ... life etc. Among the extruder, the key parts, suchas the barrel,the screw,and the reducer, are ...