Daesan Chemical Co. Ltd.
Zhejiang A & F University
Young-tae Lee
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Shantou Fancy Mineral Resource Co., Ltd.
Nanjing Yin Mao Lead-Zinc Mine Co., Ltd.Jiangsu Sheng, China
Changxing County Sanzhi Textile Co. Ltd.
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Beijing Zhongcai Artificial Crystal Co. Ltd.Beijing Shi, China
Nantong Shenghui Machinery Co.,Ltd.Jiangsu Sheng, China
Chongqing Jinyu Culture Media Co., Ltd.