国产一区二区电影_免费a级毛片无码免费视频app_911国产传媒在线麻豆_久久青草无码av_国产老妇女免费视频在线_小学生高清电影免费观看_欧美成人午夜福利视频_另类小说图片 欧美亚洲_国产片婬乱一级毛片视频试看_午夜影城高清无码

Channel steel
Main material
Q235B. In line with the GB/T700-2006;
Surface treatment
Galvanized sheet (containing zinc, aluminum and magnesium); Hot-dip galvanizing;
Galvanized sheet (containing zinc, aluminum and magnesium), the thickness of zinc layer is 20 meters (275g/㎡), which conforms to GB/ t2518-2004; Hot-dip galvanized, the zinc layer thickness is not less than 60 meters, in accordance with GB/ t13912-2002.
Channel steel Series product list
<1>
Customer service lines
400-666-1688
Wechat platform
Official website
Copyright ?2019 深圳優(yōu)力可科技股份有限公司 All Rights Reserved
粵ICP備18099211號(hào)-1Powered by vancheer
Contact address
Shenzhen Headquarters：
No.1006,10th Floor,Geya Building,Gongming Nanhuan Road,Guangming District,Shenzhen Guangdong Province, China
Production base：
Xihai industrial zone, jun'an cangmen village, shunde district, foshan city
Copyright ?2019 深圳優(yōu)力可科技股份有限公司 All Rights Reserved
粵ICP備18099211號(hào)-1Powered by vancheer
Back to top