不卡视频一区二区三区,婷婷成人av,国产精品一区视频,久久夜色精品国产噜噜av小说,国产精品性夜天天视频,亚洲日产永久经典,九九国产精品入口麻豆

Casus Products>> Casus

  CH1T is a kind of industrial pure iron, which has the advantages of stable composition, low harmful elements, high purity of steel, high surface quality,good electromagnetic properties and so on.  and can be punched into extremely complicated shape. A customer uses CH1T produced by XINGTAI STEEL to produce the hollow rivet, who feedback that the product to have good cold-cooling performance and can meet the product use requirements.