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Tianjin YR Chemspec Technology Co., Ltd.
Tianjin Tiger International Trade Co., Ltd.
Xiamen Ditai Chemicals Co., Ltd.
Zibo Qingxin Chemicals Co., Ltd.
Xilong Scientific Co., Ltd.
Shanghai Sunwise Chemical Co., Ltd.
Lonwin Industry Group Limited
Sure Chemical Co., Ltd. Shijiazhuang
Zibo Green Trade Co., Ltd.