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BTC Nantong Pharmaceuticals Technology Co., Ltd
Dongguan Superior Chemical Co., Ltd
Shandong Kaitai Petrochemical Co., Ltd
Cova Pharm Limited Company
Shandong Hope Biotech Co., Ltd
Linhai Jianxin Chemical Co., Ltd
Qingdao Advanced Marine Material Technology Co., Ltd.
Shandong Hengxin Agricultural Technology Co.,Ltd
Ningxia Jinbaoxing Activated Carbon Co., Ltd
Shanghai Banzan Macromolecule Material Co.,Ltd
Jinan Lead Pharm-chemical Co., Ltd.
Qinyang Haishihong Industrial & Trading Co., Ltd