天天做天天爱夜夜爽毛片,亚洲AV日韩AV无码另类小说,国产素人在线观看人成视频欧美精品视频免费观看,欧美 亚洲 日韩 在线,午夜福利免费区在线观看手机女人与公驹交酡全过程 ,免费人成在线观看在线a,日韩精品一区二区三区免费在线观看,熟妇人妻中文字幕

More than 20 products of Xingtai Steel achieve import substitution
  Updatetime:2020-08-07 Hits:

  In recent years, aiming at innovation and import substitution, Xingtai Steel developed more than 20 products independently and corporately, including High strength weathering steel,automobile fasteners and Steel for bridge’s suspension cables. These products achieved import substitution and continuously obtained subsidyfor import substitutes from Hebei Provincial Department of Industry and Information Technology.  

 

  Xingtai Steel equipped with RH refining furnace very early among the wire rod manufacturers in China. Other state-of-art technologies, including pretreatment of hot metal, continuous bloom casting andultrasonic flaw detection are also used. Now, our company can produce more than 3200 types of products which belongs to more than 600 grades of steel in 18 series.More than 40 types of products, like cold heading steel, spring steel, bearing steel and so on, are awarded Superior Quality Product in Metallurgical Industry and Gold Cup Prize of Metallurgy Products.The special steel for torsion bar independently developed by Xingtai Steel has successfully replaced Voestalpine’s products and is used in the production of torsion bar for car seat belt. It occupies more than 90% of the domestic high-end market share and is used in luxury models such as Mercedes-Benz, BMW and Audi;The special steel for sleeve developed by Xingtai Steel is used in the production of sleeve of automobile clutch and successfully replaced US Steel’s products;Steel SWRS82B for bridge’s suspension cables has been successfully applied to Nanxi Yangtze River Bridge, Cuntan Yangtze River Bridge, Qingshuihe Railway Bridge and other bridges, replacing Japanese products.

  The bolt connections made of high strength weather resistant steel is successfully applied toBrahmaputra River Bridgethatis the first coating-free bridge in China, which fills the domestic blank in high strength weather resistant steel. Besides, Xingtai Steel also developed the production technology of high-end bearing steel wire.The composition control and performance indexes of the products fully meet the needs of high-end users, breaking the foreign technological monopoly and reaching the international leading level.

 

户外裸露刺激视频第一区| 国产欧美日韩另类精彩视频| 九九视频这里只有精品在线| 久久久久亚洲AV无码专区首JN| 真实国产乱子伦高清对白直播| 中文字幕乱码人妻综合二区三区| 国产精品久久久久精品a级.| 国产午夜精品久久精品电影| www亚洲欲色成人久久精品| 午夜性刺激在线观看免费| 综合久久久久久久| 日韩一区二区在线免费观看| 91人妻中文字幕无码专区| 国产精品69毛片高清亚洲| 精品国产乱码久久久久久1区2区| 国产真人做受在线观看| 欧美人与动牲交免费观看| 91av99人人干人人爽| 色一情一乱一伦一区二区三区日本| 精品国产乱码久久久久久| 亚洲精品在看在线观看高清| 91人妻中文字幕无码专区| 中文字幕在线乱人伦| 激情一区二区三区四区五区在线观看| 欧美中日韩狂热高清视频| 在线中文天堂最新版www| 最近中文2019免费视频片| 亚洲黄色大片儿在线免费播放| 国产三级精品三级在线观看| 国产无套内射普通话对白| 久久精品国产96久久狠狠色综合tv久久久久久| 韩国美女一区二区| 五月丁香综合激情六月久久| 久久久久久亚洲精品中文字幕| 中文无码天天AV天天爽| 给我免费播放的视频在线观看| 国产亚洲现在一区二区中文| 日本一区二区在线看| 国产精品美女WWW爽爽爽视频| 99国产精品99久久久久久| 永久免费AV无码网站YY|