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Qingdao Oubo Chemical Co., Ltd.
Jining Shengfan New Material Co., Ltd
Ningbo Dongbo New Energy Co.,Ltd
Qingdao Win Chemistry Co.,Ltd
Tianjin Agritech Bioindustry Co., Ltd
Sichuan Biosynce Pharmatech Co., Ltd.
Anyang Dedao Materials Co., Ltd
Qingdao Leice Transient Technology Co., Ltd
Hangzhou EA Technology Co., Ltd
Zibo Chemic New Material Co., Ltd
Shandong Kaitai Petrochemical Co., Ltd
Nantong Kezhong Chemical Technology Co., Ltd.
Zhengzhou Chorus Lubricant Additive Co., Ltd
Shandong Chemexis Co., Ltd
Zhejiang Polymer Chemical Co., Ltd
Zhejiang Xingda Activated Carbon Co.,Ltd.