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Qingdao Jingtai Huacheng International Trade Co., Ltd.
Wuhan Dahua Weiye Pharmaceutical Chemical Co., Ltd.
Anhui Elite Industrial Co., Ltd.
Dalian Chem Imp.& Exp. Group Co., Ltd.
Tianjin YR Chemspec Technology Co., Ltd.
Zibo Qingxin Chemicals Co., Ltd.
Anqing Zhongchuang ENG. Co., Ltd.
Tianjin Haitong Chemical Industrial Co., Ltd.
Hefei TNJ Chemical Industry Co., Ltd.