日本成人三级视频网站,国产一区二区三区探花,白白色青青草视频免费观看,亚洲国产综合久久精品,久久老熟女乱色一区二区,自拍偷拍一区二区三区四区,中文字幕日本韩国精品免费观看,国产午夜在线观看视频,中文字幕日本韩国精品免费观看,亚洲国产精品天堂久久久

logo.png

photo.png

0762-3831180

0762-3831680

微信圖片_20191031112736.png

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 :

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

? ? ? ? ? ? ? ? ? Home? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? About us? ? ? ? ? ? ? ? ? ? ? ? ? Product Series? ? ? ? ? ? ? ? ? ? ? ? ? ? News? ? ? ? ? ? ? ? ? ? ? ? Online Recruitment? ? ? ? ? ? ? ? ? ? ?Contact Us? ? ? ? ? ? ? ? ? ?

Tel:omestic sales:0762-3831180/3831260? ? ? overseas sales:0762-3831680? ? ? Fax:0762-3831619? ? ? Email:hyzhx098@163.com?

?Zip code:517000? ? ? Address:South of Science and Technology Second 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

级毛片无码av| 西西人体444www大胆无码视频| 日本午夜免费福利视频| 欧美亚洲韩国国产综合五月天| 国产av在线观看91| 麻豆资源在线观看视频| 成年无码av片在线| 热久久网站| 蜜桃av噜噜一区二区三区免费| 亚洲精品国产av成人精品| 国产揄拍国产精品| 国产成人啪精品| 亚洲国产精品成人一区| 日韩精品在线免费视频| 天天色影网| 午夜亚洲AV成人无码国产| 久久伊人久久伊人久久| 国产精品亚洲专区无码不卡| 开心五月激情综合婷婷| 国产女奸网站在线观看| 草青青视频手机免费观看| 国产精品videossex久久发布| 色悠久久久久综合欧美99| 人妻无码中文专区久久AV| 少妇人妻无奈的跪趴翘起| av综合网男人的天堂| 91av小视频| 亚洲精品国产精品系列| 国产一区二区三区在线综合视频| 成人免费看www网址入口| 国产成人免费高清激情明星| 宅男天堂亚洲一区二区三区| 又大又长粗又爽又黄少妇视频| 免费国精产品自偷自偷免费看| 无码精品一区二区三区免费16| 亚洲av香蕉一区二区三区av| 成l人在线观看线路1| 国产精品九九热| 97人妻中文字幕总站| av色欲无码人妻中文字幕| 亚洲中文无码成人影院在线播放|