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Zibo Qingxin Chemicals Co., Ltd.
Zibo Green Trade Co., Ltd.
Tianjin YR Chemspec Technology Co., Ltd.
Xiamen Ditai Chemicals Co., Ltd.
Sure Chemical Co., Ltd. Shijiazhuang
Tianjin Tiger International Trade Co., Ltd.
Wuhan Kemi-Works Chemical Co., Ltd.
Xilong Scientific Co., Ltd.
Lonwin Industry Group Limited
Hongkong Baijin International Trading Co., Ltd.