... Reliability 5. Self Adapting Frequency induction auto parts hardening machine Heat Treatment like annealing, normalizing, quenching, tempering.1. ... (orchard shear).2. Automobile and motorcycle fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, ... and diagnostics system—"JKZ-PS" device, guarantee the machine of high stability, reliability and security. Strict Supplier ...