PP Hollow Grid Board Production Line Qingdao Grandwill Machinery Manufacture Co., Ltd. Base Info Model NO.:SJ-150,30 SJ-120,30Type:Board ExtruderPlastic Processed:PPScrew:Single-ScrewAutomation:AutomaticComputerized:Non-ComputerizedTrademark:GRANDWILLHS Code:8472200000 Description Pre:CE ISO9001 Certificate Auto Air Duct Hydraulic Hot Plate Welding Machine Next:CE ISO9001 SGS Ultrasonic Plastic Spin Welding Machine for PP, PE, PET Tube (KEB-DW30)