... High Quality & Reliability 5. Self Adapting Frequency induction auto parts hardening machine Heat Treatment like annealing, normalizing, quenching, tempering. ... 1. Hardware and tools, such as plier, wrench, hammer, ax, screwing tools and shear (orchard shear).2. Automobile ... lathe deck and guide rail.5. Various hardware metal parts and machined parts, such as big shaft, gear (chain wheel), ...