zhonghua south street, Shijiazhuang, Hebei, China

Hebei YiBo Nano Chemical Co., Ltd is devoted to the production of ZnO high-tech industry, this company is a subordinary of Hebei YIbo Group (Group mainly involved; chemical; real estate development; a...

GUIZHOU GAOFENG PETROLEUM MACHINERY CO., LTDGuizhou Gaofeng Petroleum Machinery Co., Ltd. (Gaofeng Co. will be taken for short in the following introduction) was established in 1971, which is a vice-c...