... Adapting Frequency Heat Treatment like annealing, normalizing, quenching, tempering.1. Hardware and tools, such as plier, wrench, hammer, ... fittings, such as crankshaft, connecting rod, piston pin, chain wheel, aluminum wheel, valve, rock arm shaft, semi ... protection, Low pollution levelEasy operation, can be equipment with PLC controllerMiniature and light weight, Economic Space Occupation, Easy ...