... igbt induction welding lathe tool welding equipment :welding coal mining tools, alloy drill bits, carbide saw blades, diamond saw blade (wheel), ... hard metal cutters1.standard parts, fastener parts heating.2. drill steel, drill tool are tempering, forging, extrusion Etc, eating.3. ... diamond saw blades, rill tool’s welding4. drill bit, coal drill bit, pick bit’s welding5. braze lathe tool, milling ...