美女扒开胸罩露出奶头捏的网站_aav视频日韩观看_国产在线看片a免费_午夜亚洲A V永久无码精品_国产羞羞的视频在线观看_亚洲中文字幕无码AV正片_亚洲男人第一αv网站_99国产我和子的与子乱视频_美女18禁裸身网站_正在播放白嫩高潮大学生

Bonjour et bienvenue sur notre site internet!
0512-58490236
Industry News

What are the main types of profiles? How to differentiate?

The main types of profiles:

1. Simple section steel

① square steel - hot-rolled square steel, cold drawn square steel;

② round bar - hot-rolled bar, round bar forging, cold-drawn bar;

③ wire;

④ flat steel;

⑤ spring flat steel;

⑥ angle - equilateral angle, unequal angle of steel;

⑦ triangle

⑧ hexagonal

⑨ bowed steel;

⑩ oval steel.


2. Complex section steel

① I-beam - ordinary I-beam, light I-beam

② channel - hot-rolled channel (ordinary channel, light channel), curved channel

③ H-beam (also known as wide-leg beam)

④ rail - heavy rail, light rail, crane rails, other special rails

⑤ window frame steel

⑥ steel sheet pile

⑦ bending steel - cold-formed steel, hot-formed steel

⑧ other

Zhangjiagang Xiaofeng building materials mainly produces cold-formed profiles in Shanghai, Jiangsu.


wow.js
If you have any Suggestions for our products,
please leave us a message. Zhangjiagang Xiaofeng Building Materials co., LTD. & Zhangjiagang Success Pipe Welding Factory 
contact us
top
wow.js