For aluminum alloy die-casting pieces, piston, aluminum etc light alloy parts quenching, annealing, aging of heat treatment with 1) USES:For high chrome, high manganese steel castings, nodular cast iron, rolls, crusher hammers, wear-resisting lining etc all kinds of mechanical parts of quenching and tempering, annealing, aging of heat treatment with;For aluminum alloy die-casting pieces, piston, ...