| 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 Q355 = S355JR / A500 Vasega B Vasega C |
| Tulaga Masani | ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793 |
| Luga | Ufiufi o le zinc 200-500g/m2 (30-70um) PeVali uliuli / vali mumuvalivali, Ufiufi Epoxy, pe fa'apalapala i le vali |
| Fa'ai'uga | Pito ua fa'a'au'au pe pito ua filo |
| ma pe leai ni pulou |
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 ia Iulai 1, 2000. E tusa ma le 9000 tagata faigaluega, 13 falegaosimea, 293 laina gaosiga o paipa uʻamea, 3 fale suʻesuʻe faʻamaonia faʻale-atunuʻu, ma le 1 nofoaga faʻatekinolosi pisinisi faʻamaonia a le malo o Tianjin.
89 Laina gaosiga o paipa u'amea ua fa'apipi'iina
Falegaosimea:
Tianjin Youfa Steel Pipe Group Co., Ltd.-Lālā Nu.2;
Tangshan Zhengyuan Pipeline Industry Co., Ltd;
Kamupani Gaosi Paipa Uamea a Tangshan Youfa, Ltd;
Kamupani Paipa Uamea a Handan Youfa, Ltd;
Kamupani Paipa Uamea a Shaanxi Youfa, Ltd;
Kamupani Paipa Uamea a Jiangsu Youfa, Ltd;
Kamupani Fa'apisinisi Paipa Uamea a Huludao, Ltd














