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Bet Pak Technology (Hongkong) Limited
Qingdao Win Chemistry Co.,Ltd
Shijiazhuang Beihai Pipe Co., Ltd.
Shandong Prime Source Group
Zibo Long Keter New Materials Co., Ltd
Shandong Chengwu Glory Biotechnology Co., Ltd
Hangzhou Jiuyuan Gene Engineering Co., Ltd
Shandong Binzhou Zhiyuan Biotechnology Co.,Ltd
Henan Dongxing Chemical Co.,Ltd
Tianhong Mining Co.,Ltd