| Samfuri | Galvanized Karfe Bututu |
| Kayan Aiki | Karfe na Carbon |
| Matsayi | Q195 = S195 / A53 Aji A |
| Daidaitacce | BS1387, EN10255, ASTM A53, ASTM A500, A36ISO65, ANSI C80, DIN2440GB/T3091, GB/T13793 |
| saman | Rufin zinc 200-500g/m2 (30-70um) |
| Ƙarshe | Ƙarshen layi |
| da ko ba tare da huluna ba |
1) A lokacin da kuma bayan samarwa, ma'aikatan QC guda 4 waɗanda suka yi fiye da shekaru 5 suna duba samfuran 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.
| ƙara koyo game da takaddun shaida |
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 Tianjin Youfa Steel Pipe Group Co., Ltd a ranar 1 ga Yuli, 2000. Akwai ma'aikata kusan 8000, masana'antu 9, ƙwararrun bututun ƙarfe 179.
Layukan samar da wutar lantarki, dakunan gwaje-gwaje guda 3 na ƙasa da aka amince da su, da kuma cibiyar fasahar kasuwanci guda 1 da gwamnatin Tianjin ta amince da ita.
| ƙara koyo |
40 zafigalvanizedLayukan samar da bututun ƙarfe
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.












