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Tianhong Mining Co., Ltd
Hangzhou Nature Technology Co.,Ltd
Hangzhou Jeci Biochem Technology Co .,Ltd.
Luoyang Jianlong Micro-Nano New Materials Co., Ltd
Hunan Huacheng Biotech Inc.
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Xi'an Naturetech Int'l Co.,Ltd
Henan Yuke Optical Technology Co., Ltd
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Henan Ruiheng New Material Co.,Limited