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Hangzhou Dimacolor Imp. & Exp. Co., Ltd.
Hangzhou Emperor Chemical Co., Ltd.
Xuzhou First Chemical Co., Ltd.
Hubei Talents Science and Technology Co., Ltd.
Tianjin United Star International Trading Co., Ltd.
YANTAI ZHOUJI BIOTECHNOLOGY CO., LTD.
Qingdao Ever-Bright Industrial Co., Ltd.
Hubei Color Root Technology Co., Ltd.
Hongkong Baijin International Trading Co., Ltd.
Xinle City Hongyuan Carbon Black Sales Center