Packaging film machine 1.fold width ... cooled by air ring →firm bubble →traction→winding→ pile up Laiwu City Zhongda Plastic Machinery ... Micro spray irrigation equipment , Plastic pipe machine , Packaging film Blowing machine , Plastic blowing machinery , Steel pipe ... screw extruder , Plastics canopy production equipment , Mulch film machine , Plastic film granulation recovery facility , Large earthwork ...