Bottom Welder Plastic Cylinder Box Making plastic Cylinder Bottom Welding Automatic Cylinder Bottom Welder Clear Cylinder bo ABOUT PRODUCTCustomized design; ... -one service ApplicationUsed for welding/sealing clear/transparent cylinder bottom(cylinder and disk), which is made of PVC,PETG ... mould and tooling for longer life spanTop amounted cylinder for vertical pressure, which is more uniformFoot pedal ...