无码高潮爽到爆的喷水视频APP,中文字幕无码不卡在线,人妻AV一区二区三区精品,亚洲精品你懂的在线观看,中文字幕久精品免费视频,国产精品丝袜久久久久久不卡,无码AV无码天堂资源网,波多野结衣一区二区三区AV免费,少妇人妻偷人精品无码视频,精品无码国产一区二区三区麻豆

<bdo id="9i88v"><tbody id="9i88v"></tbody></bdo>
  • <bdo id="9i88v"></bdo>
    <center id="9i88v"></center>

    1. <label id="9i88v"></label>

      COMPANY NEWS

      China's cemented carbide industry has developed rapidly under the trend of globalization

      issuing time:2019-10-26


      ? ? ? ?After entering the 21st century, with China's formal accession to the WTO, China's cemented carbide industry has also developed rapidly under the trend of globalization. In 2013, China's annual output of cemented carbide reached 26,000 tons, an increase of 15.56%. Compared with 2007, cemented carbide production increased by 57.58%. Among them, cemented carbide chips increased by 8.36%, mining alloys increased by 59.33%, wear parts increased by 70.66%, and newly combined gold increased by 23.91%22. The country's major tungsten industrial enterprises achieved an industrial sales value of 18.117 billion yuan, an increase of 6.78% over the same period of 2012.

      ? ? ? Tungsten carbide is widely used in various manufacturing industries due to its high hardness and wear resistance. The main applications of tungsten carbide in the world include cutting tools (30%), wear parts (28%), high pressure (diamond synthesis, etc.) tools (28%), mining and road construction machinery (11%) and other fields. . With the steady growth of demand for high-performance cemented carbide in the basic industries such as cutting machine tool industry, mining industry, automobile manufacturing, oil drilling industry and electronic information industry, and the continuous expansion of new application fields, the market of cemented carbide in China is expected. Will maintain a growth rate of around 11%.


      share to:


      share to :

      Service Hotline: Domestic Sales: 0762-3831180/3831260; ? Export: 0762-3831680; ? ? ? ? ? Fax number: 0762-3831619; ? ? ? ? Contact email: hyzhx098@163.com

      Postal Code: 517000; ? ? ? ? ? Contact address: South of Keji 2nd Road, East of Xingye Avenue, High tech Zone, Heyuan City

      Copyright?2019 -heyuan zhengxin hardmetal carblde co..ld ? ? ICP 10229233 -1 ? ??Powered by www.gdwl.net.cn?? ? ? Sitemap

      本站使用百度智能門戶搭建 管理登錄
      Online Service
      日韩精品人妻少妇一区二区| 中文字幕国内一区二区| 国产精品av一二三区| 国产一区二久久中文字幕| 国产超碰av一区二区| 日韩精美一区二区三区| 老司机久久精品最新免费| 亚洲精品WWW久久久久久| 久久这里只要精品视频| 亚洲中文字幕无线乱码va| 国产精品久久av色婷| 久九九久视频精品网站| 狠狠色丁香五月综合缴情婷婷五月| 亚洲精品国产国语对白| 亚洲ⅴ国产v天堂a无码二区| 欧美日韩天堂一区二区| 麻豆精品视频一区二区三区| 亚洲精品国产美女久久久| 美日韩一区二区三区色| 人妻少妇精品一区二区三区| 国产一区二区福利视频| 日本成人免费一区二区三区| 中文字幕在线精品人妻| 日韩人妻有码中文字幕| 日本精品久久性大片日本| 国产精品麻豆久久av| 蜜桃视频在线免费观看一区二区 | 国产美女胸大一区二区三区| 婷婷俺也去俺也去官网 | 亚洲精品一区二区三区播放 | 激情午夜人妻少妇av| 精品人妻少妇中文字幕| 欧美日韩在线精品1区2区| 高清欧美日韩在线观看| 蜜桃一区二区三区自拍视频| 亚洲精品中文在线播放| 日韩精品极品在线观看视频| 熟妇精品一区二区三区| 日韩人妻一区中文字幕| 91在线视频视频在线| 日韩av一区二区毛片|