... induction furnace,smelting furnace,melting furnace,electric furnace,holding furnace, furnace furnaceAbout factoryWe are biggest furnace factory in Shanghai and east of china,our 80%furnace is ... can produce High-frequency induction furnace and medium-frequency induction furnace,low-frequency induction furnace ,vacuum induction furnace,Industrial furnaceFour. Working relationFurnace Capacity ...