... 50t, 32t bridge crane, we have the capacity of manufacture the complete plant of metallurgy machienry and equipments.heat treatment equipment: ... ,4.5m well-type tempering furnace, which can process the heat treatment of spare parts within 100 tons as a ... .With regards of the surface hardening, we have250KW, 160Kw intermediate frequency equipment, and 100Kw high frequency equipment, which can processthe ...