Bir khafiif ah oo wareegsan oo wareegsan oo tuubo Sch40 Gi ah

Kooxda Tuubooyinka Birta ee Tianjin Youfa waxay ku takhasustay soo saarista iyo iibinta tuubooyinka tolmada toosan ee laalaada, tuubooyinka birta ee galvanized-ka lagu shubo ee kulul, tuubooyinka birta ee afar geesoodka ah ee laba jibbaaran, tuubooyinka birta ee laba geesoodka ah ee kulul ee galvanized-ka lagu shubo, tuubooyinka birta ee balaastikada ah ee laalaada, tuubooyinka birta ee isku-dhafka ah ee balaastikada ah ee lagu dahaadhay iyo tuubooyinka laalaada ee wareegsan. Kooxdan weyn ee ganacsiga waxay leedahay laba nooc: "Youfa" iyo "Zhengjinyuan". Waxay samaysay afar saldhig wax soo saar oo ku yaal Tianjin, Tangshan, Handan iyo Shaanxi Hancheng. Shirkadaha hoos yimaada waxaa ka mid ah 9 shirkadood oo wax soo saar tuubooyin bir ah oo leh in ka badan 160 khadad wax soo saar, waxayna leedahay 3 shaybaar oo qaran ahaan la aqoonsan yahay, 1 xarun injineernimo oo tignoolajiyada tuubooyinka birta ah ee laalaada ee Tianjin iyo 2 Xarunta Tignoolajiyada Ganacsiga ee Magaalada Tianjin. Badeecadaha waxaa lagu iibiyaa dalka oo dhan waxaana loo dhoofiyaa Waqooyiga Ameerika, Koonfurta Ameerika, Yurub, Afrika, Oceania, Bariga Dhexe, Koonfur-bari Aasiya, Hong Kong iyo 100 waddan iyo gobol oo kale. Sannadkii 2018, ku dhawaad ​​14 milyan oo tan oo noocyo kala duwan oo tuubooyin bir ah ayaa la soo saaray. Tan iyo 2006, waxaa lagu qiimeeyay 500 shirkadood oo Shiinaha ugu sarreeya iyo 500 shirkadood oo wax soo saar oo Shiinaha ugu sarreeya muddo 13 sano ah oo xiriir ah.