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Guangzhou Zhifan Chemical Co., Ltd.
Zhejiang Jixin Air Separation Material Technology Co., Ltd.
Dezhou Yuanjin Biotechnology Co.,Ltd.
Shandong Frontech Auto Parts Co., Ltd
Anyang Hailiang Chemical Science And Technology Co., Ltd.
Jinan Chengdong Machinery Manufacture Co., Ltd
Ningbo Dongbo New Energy Co.,Ltd
Zhejiang Peky Biotech Co., Ltd.
Jiangsu SinvoChem S&T Co., Ltd.
Dongguan Chuangsheng Houseware Co., Ltd
China Beihai Fiberglass Co., Ltd.