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Xin'ao Gasifing Coal Selecting Co.,Ltd.

De Beers Group Services (Pty) Ltd.

Jinhua Changneng Machinery Co., Ltd.

Eberhard Faber, Inc.

Shanghai Jiao Tong UniversityShanghai Shi, China

Jiangsu Zhongkuang Kehui Mining Technology Co., Ltd.

320463 Plc

Seikei Gakuen

Golden Sun Oil Co. Ltd.

Shinohara Electric Co., Ltd.

Koyo Automatic Machine Co. Ltd.