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Handan Zhongfu Industrial and Mining Accessories Co., Ltd
Xiamen Origin Biotech Co., Ltd
Suzhou Senfeida Chemical Co., Ltd
Quzhou Hopemax Chemical Technology Co., Ltd
Anyang Dedao Materials Co., Ltd
Shandong Binzhou Zhiyuan Biotechnology Co., Ltd.
BTC Nantong Pharmaceuticals Technology Co., Ltd
Shandong Zofu New Materials Co., Ltd
Shaanxi Dongyujia Iron and Steel Co., Ltd.
Jiangsu Zhuoli Chemical Technology Co.,Ltd
Jining Shengfan New Material Co., Ltd
Bet Pak Technology (Hongkong) Limited
Shandong Crown Industry Co., Ltd.
Tianma Group Co., Ltd.