
Longhua Technology Group (Luoyang) Co., Ltd.Henan Sheng, China

Central Iron & Steel Research InstituteBeijing Shi, China

Deilmann-Haniel Mining Systems GmbH

esb Schweißbetrieb Burbach & Bender GmbH & CO. KG

Wolfram Bergbau und Hütten GmbH NFG KGSteiermark, Austria

China Iron & Steel Research Institute Group

NovaCast Technologies AB

Fangda Special Steel Technology Co. Ltd.

Shan Xi Hua Yang Group New Energy Co. Ltd.Shanxi Sheng, China

China Aluminum International Engineering Corp. Ltd.

Xi'an Shaangu Power Co. Ltd.Shaanxi Sheng, China

Shan Xi Hua Yang Group New Energy Co. Ltd.