... .pneumatic 4.PETG,pvc,leather, blister welding Model: HR-25KWT high frequency welding machine for cushionapplication:specialize for making cushionIs ... also sed for welding plastic like pvc,PETG,GAG,PU, leather...to ... propping positioning gadget can make precise position Applied to welding technics with PVC+PVC, PVC+paper blister package.capable ...