CO2 gas-shielded solid core welding wires, flux-cored wires, hardfacing wires, submerged arc welding wires, TIG welding wires, stainless steel welding wires, aluminum and aluminum alloy welding wires; various types of welding electrodes for carbon steel, low-alloy steel, heat-resistant steel, low-temperature steel, stainless steel, hardfacing, cast iron, etc.; specialized soft welding wires for coil nails, and over 200 varieties of special welding materials. Custom development, research, and production tasks can be undertaken based on specific user requirements.