91中文精品,污污的视频免费在线观看,91就要激情,精品黄色网,欧美精品看片,久久久久久a亚洲欧洲aⅴ,天天干天天色综合网

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.