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Shaanxi Dongyujia Iron and Steel Co., Ltd.
Henan Medscience Pharmaceuticals Co., Ltd
Keli New Materials Co., Ltd
Henan Province Mine Crane Co.,Ltd
Luoyang Dema Import & Export Co., Ltd.
Nantong Kezhong Chemical Technology Co., Ltd.
Shandong Beiqiao New Material Technology Co.,Ltd.
Nanjing Deda New Materials Technology Co., Ltd.
Shijiazhuang Hongsen Activated Carbon Co., Ltd.
Zibo Chemic New Material Co., Ltd
Anyang Dedao Materials Co., Ltd
Xiamen Origin Biotech Co., Ltd
Ningbo Rock Hardware Imp & Exp., Co., Ltd.
Dezhou Yuanjin Biotechnology Co.,Ltd.
Guangzhou Rongfeng Plastic Technology Co., Ltd