国产精品一区二区在线观看,一本大道久久东京热无码AV,gogogo高清在线观看中文,国产美女爽到喷出水来视频

      Strip steel
      Product catalog
      Strip steel
      Our company specializing in the production of galvanized steel, is a hot strip steel substrate, through pickling, cold rolling, heating reduction, zinc production process out, the product can completely meet GB510018-2002 "cold-formed steel structure technical specification" standard in the construction industry can be widely applied for cold-formed steel keel, galvanized pipe, chimney, shutter doors, highway guardrail etc., can also be used in automobile, locomotive manufacturing, board manufacturing and other industries.
      Application: it is suitable for cold-formed section, keel, galvanized pipe, chimney material, rolling shutter door, highway guardrail, etc., and it can also be used in automobile, railway locomotive manufacturing, warehouse board manufacturing and other industries.
      Main specifications: thickness: 0.15mm-2mm width: 20mm-500mm
      Scope of use: it is suitable for baling packing in metallurgy, paper making, building materials, glass and other industries.
      Copyright © Nantong Wantong Steel Pipe Co.,Ltd. All Rights Reserved. Add:No.1 of Qixing Lake Road, Hai'an Development Zone,Nantong,Jiangsu
      Tel:0086-513-88914548 Mobile:0086-15851286292(Xiaoyan Lu)Fax:0086-513-88923918 E-mail:569868862@qq.com
      国产精品一区二区在线观看

          国内精品美女a∨在线播放| 蜜臀AV在线播放一区二区三区| GOGOGO高清在线观看视频直播| 99久久免费精品国产男女性高| 久久伊人免费视频| 欧美精品VIDEOSEX极品| 电影在线观看| 影视大全纯净版免费追剧app下载| 亚洲国产综合无码一区二区二三区| 免费A级毛片无码A|