我与么公激情完整视频_亚洲αⅴ无码天堂在线观看_涩涩视频污污成人版_成人免费毛片日韩毛片_国产精品性色综合av_中文字幕网站 五月网站_一级黄片大全_久久精品国产2020超碰_亚洲三级国产影视_av综合色区无码

Foshan Shengbang Steel Structure Co., Ltd.

11 years experience in plant design and construction

Common choice of 1875 sets of steel structure buildings

National service hotline:

0757-81002668
4News

Hainan Steel teach you: Overview of light steel structure

Hits:1818 Time:2015-7-11
  

Hainan Steel teach you: Overview of light steel structure

Lightweight steel is mainly used in non-load-bearing construction to withstand large loads. Selection Light H beam (welded or rolled; variable cross-section or the like) to make the gate-shaped steel support, C, Z type cold-formed steel purlins and wall beams make, the pressure plate or sandwich panels for light roofing, wall building envelope, use of high-strength bolts, common bolts and self-tapping screws and other fittings and sealing materials assembled low-level and multi prefabricated steel structure housing system. Hainan Steel