... bits, carbide saw blades, diamond saw blade (wheel), turbo chip, copper parts, automotive steering gear, solar heat pipe, welding and cutting nozzles1Welding ... are tempering, forging, extrusion Etc, eating.3. diamond saw blades, rill tool’s welding4. drill bit, coal drill bit, ... all kinds of wooden cutters, braze high speed steel saw blades.High frequency welding machine features:1. fast speed, high ...