国产a√高清最新一级毛片,亚洲成人在线高清无码,欧美日韩精彩综合视频,wwwww国产在线

faq
home > faq

What is the stainless steel material your company usually uses?

writer：dingzhou three star metal products company limited  |  publish time：2019-08-06

　　WemainlyuseSS304(0Cr18Ni9)SS304L(00Cr9Ni10)SA316(0Cr17Ni12Mo2)

　　SS316L(00Cr17Ni14Mo2),alsoSS410,SS4101andSS430sometimes.