Astm A572 Q345 q500 beam i beam 100mm iwọn H tan ina, I beam H beam Astm A572 Q345 q500 beam i beam 100mm iwọn

China Royal Iron & Steel Group Co., Ltd ni iṣeto ni Tianjin, China ni 1998.Professional okeere ti awọn oriṣiriṣi irin fun diẹ ẹ sii ju ọdun 20, iṣẹ lẹhin-tita ni ẹẹmeji ni ọdun.Major awọn ọja wa lati gbogbo agbala aye, pẹlu South America, North America, Europe, Africa, Oceania, Asia ati Middle East.
Labẹ eto iṣakoso didara ti o muna, lati rii daju iṣẹ ṣiṣe ipari ti gbogbo awọn ọja ati lati jẹ idanimọ gbogbogbo nipasẹ awọn alabara ile ati ajeji, a ti kọja iwe-ẹri ISO9001, SGS, BV, TUV.


Akoko ifiweranṣẹ: Kínní-21-2022