| Oloa | Paipa U'amea Fa'asusu Afi |
| Meafaitino | Uamea Kaponi |
| Vasega | Q195 = S195 / A53 Vasega A Q235 = S235 / A53 Vasega B / A500 Vasega A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Vasega B Vasega C |
| Tulaga Masani | GB/T3091, GB/T13793 API 5L, ASTM A53, A500, A36, ASTM A795 |
| Fa'amatalaga auiliili | ASTM A795 sch10 sch30 sch40 |
| Luga | Valiina i le Uliuli po'o le Mumu |
| Fa'ai'uga | Pito masani |
| Pito ua fa'a'a'a |
Talosaga:
Paipa u'amea mo galuega faufale / mea fau fale
Paipa u'amea fa'asitepu
Paipa u'amea pou pa
Paipa u'amea e puipuia ai le afi
Paipa u'amea fale vevela
Vai maualalo le mamafa, vai, kesi, suāuu, paipa laina
Paipa fa'asūsū
Paipa u'amea




Pulea Lelei o le Tulaga Lelei:
1) I le taimi ma le maeʻa ai o le gaosiga, e toʻa 4 le aufaigaluega a le QC e silia ma le 5 tausaga o le poto masani e siaki faʻafuaseʻi oloa.
2) Fale su'esu'e fa'amaonia fa'ale-atunu'u ma tusi fa'amaonia CNAS
3) Siakiina taliaina mai le isi vaega ua tofia/totogiina e le tagata faʻatau, e pei o le SGS, BV.
4) Ua fa'amaonia e Malasia, Initonesia, Sigapoa, Filipaina, Ausetalia, Peru ma Peretania. E umia e i matou tusi fa'amaonia UL /FM, ISO9001/18001, FPC.
Faatatau ia tatou:
Na faavaeina le Tianjin Youfa Steel Pipe Group Co., Ltd ia Iulai 1, 2000. E tusa ma le 8000 tagata faigaluega, 9 falegaosimea, 179 laina gaosiga o paipa u'amea, 3 fale su'esu'e fa'amaonia fa'ale-atunu'u, ma le 1 nofoaga fa'atekonolosi pisinisi fa'amaonia a le malo o Tianjin.
62 laina gaosiga o paipa u'amea ERW
Falegaosimea:
Tianjin Youfa Steel Pipe Group Co., Ltd.-Lālā Nu.1;
Tianjin Youfa Steel Pipe Group Co., Ltd.-Lālā Nu.2;
Tangshan Zhengyuan Uamea Paipa Co., Ltd;
Kamupani Gaosi Paipa Uamea a Tangshan Youfa, Ltd;
Kamupani Paipa Uamea a Handan Youfa, Ltd;
Kamupani Paipa Uamea a Shanxi Youfa, Ltd











