国产精品视频999,国产在线观看一区二区三区,日韩在线永久免费播放,日韩A级毛片一区二区三区,成人精品在线观看,中文无码日韩精品,手机精品视频在线观看免费,天天躁日日躁狠狠躁中文字幕,国产美女在线免费观看,欧美啪啪精品

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.