青青青伊人色综合久久,97无人区夜夜夜爽涩日本无码,与子敌伦刺激对白播放,国产精品久久人妻拍拍水牛影视

Internationally renowned cemented carbide manufacturers mainly include: Sandvik in Sweden, Kennametal in the United States, Iscar in Israel, Mitsubishi Matetials and Toshiba Tungalloy in Japan, Ceratizit in Luxembourg, etc.

Global cemented carbide production is mainly in the United States, Russia, Sweden, China, Germany, Japan, the United Kingdom, France, etc. In recent years, global cemented carbide production has steadily increased, but the growth rate has slowed significantly. According to estimates, the total consumption of tungsten in the global cemented carbide industry exceeded 50,000 tons in 2015, and the output of cemented carbide was about 70,000 tons, a year-on-year increase of 2%. According to the China Nonferrous Metals Industry Association, China is the world's largest producer of cemented carbide, with cemented carbide production accounting for about 38% of global production, followed by Europe with a 26% market share.