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Qingdao Jingtai Huacheng International Trade Co., Ltd.
Shaanxi Yi An Biological Technology Co., Ltd.
Hefei TNJ Chemical Industry Co., Ltd.
Tianjin YR Chemspec Technology Co., Ltd.
Anqing Zhongchuang ENG. Co., Ltd.
Zibo Qingxin Chemicals Co., Ltd.
Wuhan Dahua Weiye Pharmaceutical Chemical Co., Ltd.
Tianjin Haitong Chemical Industrial Co., Ltd.
Oriental Biotech (Wuxi) Co., Ltd.
WEIFANG LONGHONG CHEMICAL CO., LTD.
Hugestone Enterprise Co., Ltd.
Fooding Group Limited