| Samfura | Wuta Sprinkler Karfe Bututu |
| Kayan abu | Karfe Karfe |
| Daraja | Q195 = S195/A53 Darasi A Q235 = S235 / A53 Daraja B / A500 Daraja A / STK400 / SS400 / ST42.2 Q345 = S355JR/A500 Digiri na B Daraja C |
| Daidaitawa | GB/T3091, GB/T13793 API 5L, ASTM A53, A500, A36, ASTM A795 |
| Ƙayyadaddun bayanai | ASTM A795 sch10 sch30 sch40 |
| Surface | Fentin Baƙi ko Ja |
| Ƙarshe | Ƙarshen fili |
| Ƙarshen ƙarewa |
Matsayi da Bukatun
Materials da Gina: UL-certified bututu da aka yi daga high quality karfe wanda ya sadu da takamaiman abu abun da ke ciki da inji Properties.
Matsakaicin Matsakaicin Matsakaicin: Waɗannan bututu dole ne su yi tsayin daka da matsi mai yawa a tsarin yayyafa wuta.
Resistance Lalacewa: Matsayin UL sun haɗa da gwaje-gwaje don juriyar lalata don tabbatar da bututun na iya jure yanayi mai tsauri.
Gwaje-gwajen Ƙarfi da Ƙarfi: Bututu suna fuskantar gwaji mai tsauri don zubewa, fashe ƙarfi, da amincin tsari.
Ganewa
UL Mark: Nemo alamar takaddun shaida ta UL akan bututu, wanda ke nuna bin ka'idodin UL.
Bayanin Lakabi: Alamar yawanci ta ƙunshi sunan mai ƙira, girman bututu, ƙimar matsa lamba, da sauran mahimman bayanai.
Game da mu:
Tianjin Youfa Karfe bututu Group Co., Ltd da aka kafa a kan Yuli 1st, 2000. Akwai kaucewa game 8000 ma'aikata, 9 masana'antu, 179 karfe bututu samar Lines, 3 kasa yarda dakin gwaje-gwaje, da kuma 1 Tianjin gwamnati amince kasuwanci cibiyar fasaha.
62 ERW karfe bututu samar Lines
Masana'antu:
Tianjin Youfa Karfe bututu Group Co., Ltd .-No.1 Branch;
Tianjin Youfa Karfe bututu Group Co., Ltd .-No.2 Branch;
Tangshan Zhengyuan Karfe bututu Co., Ltd;
Tangshan Youfa Karfe Bututu Manufacture Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Abubuwan da aka bayar na Shanxi Youfa Steel Pipe Co., Ltd
