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Hefei TNJ Chemical Industry Co., Ltd.
Shandong Tianjiao Biotech Co., Ltd.
Anqing Zhongchuang ENG. Co., Ltd.
Tianjin YR Chemspec Technology Co., Ltd.
Dalian Chem Imp.& Exp. Group Co., Ltd.
Fooding Group Limited
Qingdao Twell Sansino Import & Export Co., Ltd.