| Huahana | Paipu kila huinahā a me ka huinahā Galvanized |
| Mea Hana | Ke kila kalapona |
| Papa | Q195 = S195 / A53 Papa A Q235 = S235 / A53 Papa B / A500 Papa A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Papa B Papa C |
| Kūlana Maʻamau | DIN 2440, ISO 65, EN10219GB/T 6728 JIS 3444/3466 ASTM A53, A500, A36 |
| ʻIli | Uhi ʻia ʻana o ka zinc 200-500g/m2 (30-70um) |
| Pau | Nā wēlau maʻemaʻe |
| Nā kikoʻī | OD: 20*20-500*500mm; 20*40-300*500mm Mānoanoa: 1.0-30.0mm Lōʻihi: 2-12m |
Noi:
Paipu kila no nā mea hana hale / hale
Paipu kūkulu
Paipu kila pou pā
Nā ʻāpana kau ʻana o ka lā
Paipu lima




Ka Mana Kūlana Koʻikoʻi:
1) I ka wā a ma hope o ka hana ʻana, 4 mau limahana QC me ka ʻoi aku o 5 mau makahiki o ka ʻike e nānā i nā huahana ma kahi random.
2) Keʻena hoʻokolohua i hōʻoia ʻia e ka ʻāina me nā palapala hōʻoia CNAS
3) Nānā ʻae ʻia mai ka ʻaoʻao ʻekolu i koho ʻia/uku ʻia e ka mea kūʻai, e like me SGS, BV.
4) Ua ʻāpono ʻia e Malekia, ʻInidonesia, Singapore, Pilipine, ʻAukekulelia, Peru a me UK. Loaʻa iā mākou nā palapala hōʻoia UL /FM, ISO9001/18001, FPC
E pili ana iā mākou:
Ua hoʻokumu ʻia ʻo Tianjin Youfa Steel Pipe Group Co., Ltd ma Iulai 1, 2000. Aia ma kahi o 8000 mau limahana, 9 mau hale hana, 179 mau laina hana paipu kila, 3 keʻena hoʻokolohua i hōʻoia ʻia e ka ʻāina, a me 1 kikowaena ʻenehana ʻoihana i hōʻoia ʻia e ke aupuni Tianjin.

12 mau laina hana paipu kila huinahā a huinā wela
Nā Hale Hana:
Tianjin Youfa Dezhong Steel Pipe Co., Ltd;
ʻO Handan Youfa Steel Pipe Co., Ltd;
ʻO Shanxi Youfa Steel Pipe Co., Ltd.








