Baoji zhipu non-ferrous metal processing co., LTD. Main processing single crystal furnace, vacuum furnace, furnace, such as sapphire molybdenum, tungsten, tantalum, niobium tungsten bars, tungsten bars, tungsten thermal field pipe fittings such as deep processing, domestic use of the best quality raw materials, equipped with advanced equipment and professional production team, welcome to inquire, looking forward to your cooperation!