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Shaanxi Dongyujia Iron and Steel Co., Ltd.
BTC Nantong Pharmaceuticals Technology Co., Ltd
Shijiazhuang Beihai Pipe Co., Ltd.
Hebei Birnik New Materials Technology Co., Ltd
Shanghai Guanru Chemical Co., Ltd
Shaoxing Shangyu Simo Research Institute of Organic Chemistry
SINOY GROUP LIMITED
Henan Province Non-Ferrous Metal Industry Co., Ltd
Hangzhou Jeci Biochem Technology Co .,Ltd.
Tianhong Mining Co., Ltd
Guangzhou Barel Industry Co., Ltd
Shaanxi Ningqiang Qixin Pharmaceutical Technology Co., Ltd.
Suzhou Xiaoli Pharmatech Co., Ltd
Wuhan Chuangdaxin Biotechnology Co., Ltd
Hangzhou Keying Chem Co., Ltd
ES Chem Co.,Ltd.