I whakatuhia a Hebei Rubang Carbon Products Co., Ltd. i te Akuhata 2014 me te whakapaipai kua rehitatia mo te 25 miriona yuan. Kei te tari matua kei Cheng 'an County, Hebei Porowini, e mohiotia ana ko te "North China Carbon Base", e rua ona roopu: Hebei Rubang Carbon Products Co., Ltd Panzhihua Manga office and Handan Damai Carbon Co., Ltd.