... welding machine for Tarpaulins,Tents,Billboards, Signs,Truck Covers,Canvas,Membrane. Name of the machine :High Frequency welding machine ... /15KW-F1.F2Main Application :Applied for tarpaulin, sunshading canvas, painting canvas, film curtain and relatives for automatic stepping welding and ... G&C-frame welded heavy duty structure 2) Precision straight bar welding 3) Automated HF weld cycles 4) Easy setup ...