1.Our Machine Approved by ISO9001,2000. 2.increase the production capacity 3.made of high quality alloy steel UseThis machine is suitable for blowing the various plastic film of low density polyethylene(LDPE),high density polyethylene(HDPE)and linear low density polyethylene(LLDPE)etc;Which are widely used for packing food industry,garments industry,rubbish bag industry,vest bag industry, etc. ...