Synchronously Welding Machine Mainly used in: Synchronous welding and cutting of PET (APET, PETG) plastics cover and sheets, etc; Synchronously weld and cutting of cardboard and plastics cover (like toothbrush packing) etc.; Synchronouslyweld and cutting of leather product:auto leather chair ,shadow shield, shoes, footwear products, watch band, CD bag, trademark and etc. . Synchronously weld and cut can save labor, material and time. Pressure:0.8 20 T (adjustable).