... pipes. GY-GJ-PVC/ABS/PP/PE/PC/475 Hard Tube Making and Abnormal Profile Unit Use:This equipment is made ... , screw/mould and some other assistant machines.It can produce hard quality pipes, such as PVC , ABS , PP , PE , PC , 475 ... design of mold, it can make all kinds of plastic hard tube and profiled products.2. The screw adopted high ability of ...