... About factory We are biggest furnace factory in Shanghai and east of china,our 80%furnace is for export ,so we have best ... forging, hot rolling , Welding, Metal smelting, heat-seal Basic Classification We can produce High-frequency induction furnace and medium-frequency induction ... marketing: Asian , Middle east,East of Europe, such as Vietnan ,Thailand,Iran, Iraki,Russia,Uzbekistan,Mexico ....