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.