... deck and guide rail.5. Quench for various hardware metal parts and machined parts, such as shaft, gear (chain wheel), cam, chuck ... molds, such as small-size mold, mold accessory and inner hole of mold.C. Welding (braze welding, silver soldering ... toilet and kitchen products, refrigerating copper fitting, lamp decoration fitting, precision mold fitting, hardware handle, eggbeater, alloy steel and steel, ...