| Pwodwi | Tiyo asye pou wouze dife |
| Materyèl | Asye Kabòn |
| Klas | Q195 = S195 / A53 Klas A Q235 = S235 / A53 Klas B / A500 Klas A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Klas B Klas C |
| Estanda | ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793 |
| Sifas | Kouch zenk 200-500g/m2 (30-70um) OswaPentire an nwa / pentire an woujvèni, Kouch epoksi, oswa eksplozyon enpèlè ak pentire |
| Fini | Bout ki gen rainur oswa bout ki gen fil |
| avèk oswa san bouchon |
Kontwòl Kalite Strik:
1) Pandan ak apre pwodiksyon an, 4 anplwaye QC ki gen plis pase 5 ane eksperyans enspekte pwodwi yo o aza.
2) Laboratwa nasyonal akredite ak sètifika CNAS
3) Enspeksyon akseptab nan men yon twazyèm pati nonmen/peye pa achtè a, tankou SGS, BV.
4) Apwouve pa Malezi, Endonezi, Singapore, Filipin, Ostrali, Perou ak Wayòm Ini. Nou posede sètifika UL /FM, ISO9001/18001, FPC.
Konsènan nou:
Tianjin Youfa Steel Pipe te fonde nan dat 1ye Jiyè 2000. Genyen antou anviwon 9000 anplwaye, 13 faktori, 293 liy pwodiksyon tiyo asye, 3 laboratwa nasyonal akredite, ak 1 sant teknoloji biznis akredite pa gouvènman Tianjin.
89 liy pwodiksyon tiyo asye soude
Faktori yo:
Tianjin Youfa Steel Pipe Group Co., Ltd. - Branch nimewo 2;
Tangshan Zhengyuan Tiyo Endistri Co., Ltd;
Tangshan Youfa fabrikasyon tiyo asye co., Ltd;
Handan Youfa Tiyo Asye Co., Ltd;
Shaanxi Youfa Tiyo Asye Co., Ltd;
Jiangsu Youfa Tiyo Asye Co., Ltd;
Huludao Tiyo Asye Endistriyèl Co., Ltd














