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Shandong Crown Industry Co., Ltd.
Qingdao Win Chemistry Co.,Ltd
Dongguan Superior Chemical Co., Ltd
Hailin Industrial & Development(Shanghai) Co., Ltd.
SHANDONG KEYNES CHEMICAL CO., LTD.
Shanghai Upg International Trading Co., Ltd.
Zibo Jinxing Chemical Co.,Ltd
Wuxi Land Machinery Co., Ltd
Toption Instrument Co.,Ltd
Tianhong Mining Co., Ltd
Ningxia Jinbaoxing Activated Carbon Co., Ltd
Hangzhou Jeci Biochem Technology Co .,Ltd.
Henan Ruiheng New Material Co.,Limited
Taixing Zhongran Chemical Co., Ltd
Zhongshan Lipai Painting Technology Co.,Ltd.