| Samfuri | Bututun Karfe Mai Zafi |
| Kayan Aiki | Karfe Mai Kauri |
| Matsayi | Q195 = S195 / A53 Aji A Q235 = S235 / A53 Daraja B / A500 Daraja A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Daraja B Daraja C |
| Daidaitacce | EN39, BS1139, BS1387, EN10255,ASTM A53, ASTM A500, A36, ASTM A795, ISO65, ANSI C80, DIN2440, JIS G3444, GB/T3091, GB/T13793 |
| saman | Rufin zinc 200-500g/m2 (30-70um) |
| Ƙarshe | Ƙarshen layi ɗaya |
| da ko ba tare da huluna ba |
Aikace-aikace:
Gine-gine / kayan gini bututun ƙarfe
Bututun ƙarfe na Scaffolding
Bututun ƙarfe mai shinge
Kariyar wuta bututun ƙarfe
Bututun ƙarfe na greenhouse
Ruwa mai ƙarancin matsin lamba, ruwa, iskar gas, mai, bututun layi
Bututun ban ruwa
Bututun hannu
Tsarin Inganci Mai Tsauri:
1) A lokacin da kuma bayan samarwa, ma'aikatan QC guda 4 waɗanda suka yi fiye da shekaru 5 suna duba samfura bazuwar.
2) Dakin gwaje-gwaje na ƙasa mai lasisi tare da takaddun shaida na CNAS
3) Dubawa mai karɓuwa daga wani ɓangare na uku da mai siye ya naɗa/ya biya, kamar SGS, BV.
4) Malesiya, Indonesia, Singapore, Philippines, Ostiraliya, Peru da Birtaniya sun amince da su. Muna da takaddun shaida na UL /FM, ISO9001/18001, FPC.
Shiryawa da Isarwa:
Cikakkun Bayanan Marufi: a cikin fakitin ruwa masu girman hexagonal waɗanda aka cika da sandunan ƙarfe, Tare da majajjawa na nailan guda biyu ga kowane fakiti.
Cikakkun Bayanan Isarwa: Dangane da yawan jama'a, yawanci wata ɗaya ne.
Game da mu:
An kafa kamfanin Tianjin Youfa Steel Pipe Group Co., Ltd a ranar 1 ga Yuli, 2000. Akwai ma'aikata kusan 8000, masana'antu 9, layukan samar da bututun ƙarfe 179, dakunan gwaje-gwaje 3 na ƙasa da aka amince da su, da kuma cibiyar fasahar kasuwanci 1 da gwamnatin Tianjin ta amince da ita.
Layukan samar da bututun ƙarfe masu zafi guda 40
Masana'antu:
Kamfanin Tianjin Youfa Steel Pipe Group Co.,Ltd.-Lambar 1 Reshe;
Tangshan Zhengyuan Karfe bututu Co., Ltd;
Kamfanin Handan Youfa Steel Pipe Co., Ltd.
Kamfanin Shanxi Youfa Steel Bututun Kaya, Ltd.
