Makina oponyera golide a Hasung vacuum ndi opangira mipiringidzo yagolide yowala, ma bullions apamwamba kwambiri agolide, palibe oxidation, palibe pores, palibe shrinkage. ntchito zonse zokha, zosavuta kwa ogwira ntchito. kusungunuka mu vacuum ndi mpweya wa mpweya wa inert. Ndi Germany IGBT induction technology technology, pogwiritsa ntchito zida zodziwika bwino padziko lonse lapansi monga Japan AirTec, SMC, Shimaden, Germany Siemens, Omron, Taiwan Weinview, ndi zina zambiri kuonetsetsa makina apamwamba kwambiri.