| Qalab bir ah oo la hagaajin karo oo culus oo lagu hagaajin karo | | Dhererka Ugu Yar (m) | Dhererka ugu Badan (m) | Tuubada Gudaha (mm) | Tuubada Dibadda (mm) | Dhumucda Darbiga (mm) | | 1.8 | 3.2 | 48 | 60 | 1.4-4.0 | | 2.1 | 3.4 | 48 | 60 | 1.4-4.0 | | 2.2 | 4.0 | 48 | 60 | 1.4-4.0 | | 2.4 | 3.9 | 48 | 60 | 1.4-4.0 | | 3.5 | 4.0 | 48 | 60 | 1.4-4.0 | | 3.0 | 5.0 | 48 | 60 | 1.4-4.0 | | |
| Qalabka fudud ee lagu hagaajin karo ee lagu hagaajin karo shoring prop/birta | | Dhererka Ugu Yar (m) | Dhererka ugu Badan (m) | Tuubada Gudaha (mm) | Tuubada Dibadda (mm) | Dhumucda Darbiga (mm) | | 1.6 | 3.0 | 40 | 48 | 1.4-2.5 | | 48 | 56 | 1.4-2.5 | | 1.8 | 3.5 | 40 | 48 | 1.4-2.5 | | 48 | 56 | 1.4-2.5 | | 2.0 | 3.5 | 40 | 48 | 1.4-2.5 | | 48 | 56 | 1.4-2.5 | | 2.2 | 4.0 | 40 | 48 | 1.4-2.5 | | 48 | 56 | 1.4-2.5 | | |
Kooxda Birta Tianjin Rainbow waxaa la aasaasay 2000, oo ku taal Magaalada Tianjin. Rainbow Steel waa shirkad isku dhafan oo bir iyo tuubooyin bir ah oo galvanized ah, baar xagal bir ah oo galvanized ah, astaamo galvanized ah, qaab-dhismeedka birta galvanized ee Dhismaha Kaabayaasha Dhaqaalaha, Warshadaha Dhismaha, Beeraha iyo aagga Tamarta Cusub. Badeecadahayagu waxay heleen shahaadada TUV, CE, ISO9001-2008. Aqoon-is-weydaarsiyada jarista, alxanka iyo shaambadaynta laysarka ayaa loo heli karaa alaabada caadiga ah iyo kuwa la habeeyey.