... fluxes for low-carbon steel, stainless steel, high-alloy steel, and cobalt-base, etc. In cooperation with the Harbin Welding Research Institute ... With advanced equipment and technology, we carry out built-up welding repair of caster rolls, mill rolls, grooved rolls, extrusion ... flux-cored wires of and corresponding fluxes for low-carbon steel, stainless steel, high-alloy steel, and tool steel, cobalt- ...