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Henan Medscience Pharmaceuticals Co., Ltd
Shijiazhuang Mingxu Chemicals Co., Ltd.
Guohui OPTO-electronic (GHOPTO)
Dongguan Superior Chemical Co., Ltd
Jianhu Jielin Petrochemical Machinery Co., Ltd.
Dongguan Fuxiong Biotechnology Co., Ltd
Tianjin Crown Champion Industrial Co., Ltd
Henan Lite Refractory Material Co., Ltd
Kima Chemical Co., Ltd
Linhai Donghong Scientific Instrument Co., Ltd
Taixing Zhongran Chemical Co., Ltd
Luoyang Jianlong Micro-Nano New Materials Co., Ltd
Henan Eastar Chem.&Tech. Co., Ltd