| Hua | ERW Steel Pipe | 
| Rauemi | Carbon Steel | 
| Kōeke | Q195 = S195 / A53 Kōeke A Q235 = S235 / A53 Kōeke B / A500 Kōeke A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Kōeke B Kōeke C | 
| Paerewa | DIN 2440, ISO 65, EN10255, BS1387GB/T3091, GB/T13793JIS 3444 /3466 API 5L, ASTM A53, A500, A36, ASTM A795 | 
| Mata | Korekau/Maori Pango | 
| Ka mutu | Ka mutu noa | 
| he potae kore ranei | 
Taupānga:
Hanganga / hanga whare paipa maitai
 Pupa scaffolding
 Paipa maitai pou taiapa
 Pupa maitai parepare ahi
 Pupa maitai whare kakariki
 Te wai pehanga iti, te wai, te hau, te hinu, te paipa raina
 Pupa irrigation
 Pupuri ringa

Mana Kounga Tino:
 1) I te wa, i muri i te whakaputanga, 4 nga kaimahi QC neke atu i te 5 tau te wheako ki te tirotiro i nga hua i te matapōkeretia.
 2) Te taiwhanga whaimana a motu me nga tiwhikete CNAS
 3) Ko te tirotiro pai mai i te hunga tuatoru kua tohua / utua e te kaihoko, penei i te SGS, BV.
 4) Kua whakaaetia e Malaysia, Indonesia, Singapore, Philippines, Ahitereiria, Peru me UK. Kei a matou nga tohu UL / FM, ISO9001 / 18001, FPC.
Mō mātou:
Tianjin Youfa Steel Pipe Group Co., Ltd i whakaturia i runga i Hōngongoi 1st, 2000. He rawa e pā ana ki 8000 kaimahi, 9 wheketere, 179 paipa raina production, 3 taiwhanga whaimana motu, me te 1 Tianjin pokapū hangarau pakihi whaimana.
62 ERW raina hanga paipa maitai
 Nga wheketere:
 Tianjin Youfa Steel Pipe Group Co., Ltd .-No.1 Peka;
 Tianjin Youfa Steel Pipe Group Co., Ltd .-No.2 Peka;
 Tangshan Zhengyuan Steel Pipe Co., Ltd;
 Tangshan Youfa Steel Pipe Manufacture Co., Ltd;
 Handan Youfa Steel Pipe Co., Ltd;
 Shanxi Youfa Steel Pipe Co., Ltd













