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Shaanxi Dongyujia Iron and Steel Co., Ltd.
BTC Pharmaceuticals Technology Co., Ltd.
Dalian J&C Prosperous Trade Co., Ltd
Hunan Bio-essential tech Co., Ltd.
Zibo Tianrun New Material Co., Ltd
Guangzhou Yilink Medical Equipment Technology Co., Ltd
Zhejiang Xingda Activated Carbon Co.,Ltd.
Fujian Wanan Industry Group Co., Ltd
Hangzhou Jeci Biochem Technology Co .,Ltd.