China Molybdenum Company Limited (simplified Chinese: 中国钼业; traditional Chinese: 中國鉬業 or simplified Chinese: 洛阳栾川钼业; traditional Chinese: 洛陽欒川鉬業, SEHK: 3993, SSE: 603993) is the largest molybdenum producer in Mainland China and the world listed in the Hong Kong Stock Market. It is also a tungsten producer. The headquarters of the company is at Luanchuan County, Luoyang City, Henan Province. The chairman is Mr.