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Hebei Yidong Carbon Products Co., Ltd. ƙwararren ƙwararren ƙwararren graphite ne. Tun lokacin da aka kafa sabuwar shuka, shugaban hukumar da kansa ya jagoranci tsarawa da tsarawa, kulawa da gudanarwa. A karshe, an kammala aikin gina masana'antar yadda ya kamata.Sabuwar fa'idar...Kara karantawa»