... machine Heat Treatment like annealing, normalizing, quenching, tempering.1. Hardware and tools, such as plier, wrench, hammer, ax, screwing tools ... 4. Machine tools, such as lathe deck and guide rail.5. Various hardware metal parts and machined parts, such as big shaft, ... gear (chain wheel), camshaft, chuck and clamp etc.6. Hardware molds, such as small-size mold, mold accessory ...