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Hangzhou Emperor Chemical Co., Ltd.
Hongkong Baijin International Trading Co., Ltd.
Qingdao Yingfei Chemical Co., Ltd.
Hangzhou Dimachema Imp & Exp Co., Ltd.
YANTAI ZHOUJI BIOTECHNOLOGY CO., LTD.
Qingdao Ever-Bright Industrial Co., Ltd.
Xinle City Hongyuan Carbon Black Sales Center