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Hangzhou Dimacolor Imp. & Exp. Co., Ltd.
Hangzhou Emperor Chemical Co., Ltd.
Hubei Talents Science and Technology Co., Ltd.
Xinle City Hongyuan Carbon Black Sales Center
Hefei TNJ Chemical Industry Co., Ltd.
Weifang Ruiguang Chemical Co., Ltd.
Qingdao Ever-Bright Industrial Co., Ltd.
YANTAI ZHOUJI BIOTECHNOLOGY CO., LTD.
Shandong Qishun New Materials Co., Ltd.