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Hangzhou Dimachema Imp & Exp Co., Ltd.
Hubei Talents Science and Technology Co., Ltd.
YANTAI ZHOUJI BIOTECHNOLOGY CO., LTD.
Weifang Ruiguang Chemical Co., Ltd.
Hongkong Baijin International Trading Co., Ltd.
Kolortek Co., Ltd.
Qingdao Ever-Bright Industrial Co., Ltd.
Hangzhou Emperor Chemical Co., Ltd.
Tianjin Shenyuan Chemical Co., Ltd.
Ganzhou Wanfeng Advanced Materials Technology Co., Ltd.