HF Plastic Welder is widely used for welding all type of soft plastic materials such as flexible PVC sign materials, tarpaulin banners, mesh fabric, awnings, tents, pvc membrane materials etc? Features: 1, Strong welding. This machine can weld the materials together under the high pressure of high frequency technology with wheel ,the width of joint is 2-4cm and the joint is stronger than the non-welded surface. 2, continuous welding, easy operation. The welding can be finished continuously without moving materials. The joint interface is smooth and perfect. 3, efficient speed. The welding speed can be up to 4 meters per minute .the high speed promote the productivity greatly. 4, optional Extension a set of rails is 3 meters long and optional extensions may be made by adding or removing rail sets .It is very convenient to add or lessen the numbers of the sets under the request of customers` needs.