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Guange Biotechnology Co.,Ltd
BTC Pharmaceuticals Technology Co., Ltd.
Jiangsu Jiuhong Pump Industry Co., Ltd.
Guangzhou Laikebao New Material Technology Co., Ltd
Yancheng Xieying Machinery Manufacturing Co., Ltd.
Hunan Bio-essential tech Co., Ltd.
Shanghai Conrayn Industrial Co., Ltd
Zouping Weijia New Material Technology Co., Ltd
Star Grace Mining Co.,Ltd
Shanghai Holdenchem Co., Ltd.
Qingdao Greenery Chemical Co.,Ltd
Dongfang Widehigh Technology Co., Ltd
Wanlong Chemical Co., Ltd