av无码网址福利_超碰aⅴ亚洲中文字幕_亚洲三级片区无码_亚洲欧洲无码精品Ⅴa

Casus Products>> Casus

  The 36MnB4 is produced by XINGTAI STEEL which  has the advantages of stable composition, high purity of steel, small decarburization layer, less surface defects and good hardenability.It’s used to make high-strength rivets for new energy vehicles by a customer of XINGTAI STEEL Which reflects that the product performance is stable, cold heading performance is good, can meet the final product requirements.