av永久免费观看,日韩在线精品视频,在线观看国产视频,国产精品久久片,国产毛片av网站,国产又粗又硬又黄又刺激,国产黄色片视频

Main Products
Products Grade: SUSY308,H08Cr21Ni10,ER308L
Specifications: φ5.5mm
Applied Standard:  agreement
Characteristics: welding wire , welding rod
Applications: Stainless wire steel
Use of Products: SUSY308,H08Cr21Ni10,ER308L is austenitic stainless steel, they are all-purpose steel grade, have excellent corrosion- resistant, good welding capability.