Xiamen Tungsten Co. Ltd., China Minmetals Corporation, Chongyi ZhangYuan Tungsten Co. Ltd., Global Tungsten & Powders Corporation, Wolfram Bergbau-und Hutten AG, H.C. Starck GmbH, Guangdong Xianglu Tungsten Co. Ltd., Japan New Metals Co. Ltd., Soloro S.L.U., Specialty Metals Resources SA, Wolfram Company JSC are some of the top contributors in the industry. Read More