| 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 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.
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 guda ɗaya 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.














