| Productum | Ignis Sprinkler Steel Pipe | 
| Materia | Chalybe | 
| Gradus | Q195 = S195 / A53 Grade A Q235 = S235 / A53 Gradus B / A500 Gradus A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Grade B Grade C | 
| Standard | ASTM A53, ASTM A500, A36, ASTM A795;ISO65, ANSI C80, DIN2440, JIS G3444;GB/T3091, GB/T13793 | 
| Superficies | Cadmiae efficiens 200-500g/m2 (30-70um)OrNigrum picta / rubra picta | 
| Ends | Sulcata terminos | 
| cum aut sine tiaris | 
Qualitas stricte Imperium:
 1) Durante et post productionem, 4 QC baculi plus quam 5 annorum experientia in temere emendas inspiciunt.
 II) National laboratorium adprobatum CNAS testimoniales
 3) Inspectio accepta ex tertia parte ab emptore designata/soluta, ut SGS, BV.
 4) Approbata a Malaysia, Indonesia, Singapore, Philippines, Australia, Peru et UK.possidemus UL, ISO9001/18001, testimoniales FP.
 
 		     			 
 		     			 
 		     			 
 		     			 
 		     			De nobis:
Tianjin Youfa Steel Pipe condita est die 1 mensis Iulii, anno 2000. Sunt prorsus circiter 9000 operariorum, 11 officinas, 193 fistulae ferri lineae productionis, 3 laboratorium nationale adprobatum, et 1 Tianjin regimen centrum negotii technologiae adprobatum.
40 calidum galvanized ferro fistulam productio lineae
 officinas:
 Tianjin Youfa Steel Pipe Group Co.,Ltd .-No.1 germen;
 Tangshan Zhengyuan Ferro Pipe Co, Ltd;
 Handan Youfa Steel Pipe Co.,Ltd;
 Shaanxi Youfa Steel Pipe Co., Ltd













