Hebei Rubang Carbon Products Co., Ltd. na faavaeina ia Aukuso 2014 ma le laumua faamauina o le 25 miliona yuan. Ma le Ofisa Tutotonu o loʻo i Cheng 'se Itumalo, Hebei Itumalo, lauiloa o le "North China Carbon Base", E lua ona lala: Hebei Rubang Carbon Products Co., Ltd Panzhihua paranesi ofisa ma Handan Damai Carbon Co., Ltd.