Hal qayb oo ka mid ah HEBEI YUNAI NEW MATERIAL TECHNOLOGY CO., LTD.waa shirkad wax-soo-saar kaarboon oo baaxad weyn ku leh Shiinaha oo leh in ka badan 15 sano oo waayo-aragnimo wax-soo-saar ah.Shirkaddayadu waxay inta badan soo saartaa batroolka kookaha ee CPC& graphite petroleum coke GPC.