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Zhejiang Greefield Industry Co,.Ltd.
Xiamen Origin Biotech Co., Ltd
UNG CO.,LTD.
Luoyang Dema Import & Export Co., Ltd.
Shandong Chemexis Co., Ltd
SFR (Qingdao) Technology Co., Ltd.
Shandong Binzhou Zhiyuan Biotechnology Co.,Ltd
Qingdao Oubo Chemical Co., Ltd.
Anhui SeaSun Biotech Co.,Ltd
Sichuan Hengding Ruida Environmental Protection Technology Co., Ltd
Hubei Haihui Chemical Technology Co., Ltd.
Qingdao Advanced Marine Material Technology Co., Ltd.
Henan Eastar Chem.&Tech. Co., Ltd
Jumbo Technology Ltd
RICHFORTH LIMITED