XS-2802 Spot Welding Machinery: 1.the machine with gun 2.Suitable welding for plastic and metal,riveting ,spot welding ect. ... XS-2802 Spot Welding Machinery Features:a. Small in size, ... realized by automatic frequency tracing. Applicable toPlastics and metal,riveting,spot welding,flie folder location,etc. specifications:XS-2802MOQ: 1 ...