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Tianjin YR Chemspec Technology Co., Ltd.
Qingdao Jingtai Huacheng International Trade Co., Ltd.
Hefei TNJ Chemical Industry Co., Ltd.
Oriental Biotech (Wuxi) Co., Ltd.
Zibo Green Trade Co., Ltd.
Xiamen Ditai Chemicals Co., Ltd.
Hainan Huarong Chemical Co., Ltd.
Wuhan Dahua Weiye Pharmaceutical Chemical Co., Ltd.
Dalian Chem Imp.& Exp. Group Co., Ltd.
Anhui Elite Industrial Co., Ltd.
Shanghai Deborn Co., Ltd.