Co2 gas shielded welding wire: This product is made with an advanced technology. The welding wire surface is smooth. Uniform solid copper. Has excellent welding performance, arc stability and high efficiency. Carbon dioxide gas shielded arc welding is a welding method based on carbon dioxide gas as a shielding gas. With simple operation, it is suitable for automatic welding and all-round welding. The welding can not operate with wind, and it is suitable for indoor operation. Because of its low cost and easy accessible of carbon dioxide, this kind of welding wire is used in various small and large businesses.