... printing that was designed can save labor force, workshop rooms, and improve the quality of products And economic results.It is applied ... low density polyethylene (LDPE), high density polyethylene (HDPE) and linear low density (LLDPE), etc..It is widely applied ... , rubbish bags, vest ones, etc.. In the civil and industries sectors.ItemTypeSuitable MaterialScrew Diameter (mm)Screw L/D RatioPrime ...