| Samfuri | Wuta Sprinkler Karfe Bututu |
| Kayan Aiki | Karfe Mai Kauri |
| Matsayi | Q195 = S195 / A53 Aji A Q235 = S235 / A53 Daraja B / A500 Daraja A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Daraja B Daraja C |
| Daidaitacce | 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) Ko kumaBaƙi fenti / ja fentian yi masa fenti, Rufin Epoxy, ko kuma fashewar impeller tare da fenti |
| Ƙarshe | Ƙarshen da aka lanƙwasa ko ƙarshen da aka zana |
| da ko ba tare da huluna ba |
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 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.
Game da mu:
An kafa bututun ƙarfe na Tianjin Youfa a ranar 1 ga Yuli, 2000. Akwai ma'aikata kusan 9000, masana'antu 13, layukan samar da bututun ƙarfe 293, 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 89 da aka haɗa da walda
Masana'antu:
Kamfanin Tianjin Youfa Steel Pipe Group Co.,Ltd.-Lambar 2 Reshe;
Kamfanin Masana'antar Bututun Tangshan Zhengyuan Ltd.;
Kamfanin Tangshan Youfa Steel Bututun Manufacturer Co.,Ltd;
Kamfanin Handan Youfa Steel Pipe Co., Ltd.
Kamfanin Shaanxi Youfa Steel Pipe Co., Ltd.
Kamfanin Jiangsu Youfa Steel Bututun Kaya, Ltd.;
Kamfanin Huludao Steel Pipe Industrial Co., Ltd.














