... 5. Self Adapting Frequency induction auto parts hardening machine Heat Treatment like annealing, normalizing, quenching, tempering.1. Hardware and tools, such as ... shaft, semi drive shaft, small shaft and fork.3. Electric tools, such as gear and axes.4. Machine tools, ... monitoring and diagnostics system—"JKZ-PS" device, guarantee the machine of high stability, reliability and security. Strict Supplier ...