ʻO Hebei Yunai New Material Technology Co., Ltd. ka mea nui i ka hana, noiʻi a me ka hoʻomohala ʻana a me ke kūʻai ʻana i nā huahana graphite.he 8 mau laina hana kiʻekiʻe (ʻo ka mana hana makahiki he 50000 tons), nā lumi hoʻāʻo (hōʻike ʻike huahana).ʻO kā mākou hui e like me ka palapala hōʻoia SGS, a ua loaʻa iā ia nā palapala hoʻohālike like ʻole i ʻae ʻia e ka State Intellectual Property Office.ʻO nā huahana graphite o kā mākou hui e uhi nui i nā electrodes graphite, graphitized petroleum coke (semi-graphitized petroleum coke a me graphitized petroleum coke), graphite cyanide a me nā huahana graphite ʻē aʻe.ʻO nā huahana graphite kā mākou hui e lawe nui ʻia ma mua o 100 mau ʻāina a me nā wahi e like me Russia, Iran a me India.Hoʻopili mau mākou i ke koʻikoʻi nui i ka maikaʻi o ka huahana, a pili mau i ka ʻoihana ʻoihana o "ʻoi aku ka maikaʻi o ka huahana ke ola o ka ʻoihana"