Huahana | Paipu kila hoʻoheheʻe ahi |
Mea waiwai | ʻO ka hao hao |
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 | ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB/T3091, GB/T13793 |
Ili | ʻO ka uhi zinc 200-500g/m2 (30-70um)OrPena ʻeleʻele / pena ʻulaʻula |
Hoʻopau | Hoʻopau ʻia |
me nā pāpale a ʻole |
Mana Koʻikoʻi Koʻikoʻi:
1) I ka wā a ma hope o ka hana ʻana, 4 mau limahana QC me ka ʻoi aku o 5 mau makahiki e ʻike i nā huahana ma ke ʻano maʻamau.
2) Keʻena hoʻokolohua ʻae ʻia me nā palapala CNAS
3) ʻAe ʻia ka nānā ʻana mai ka ʻaoʻao ʻekolu i koho ʻia / uku ʻia e ka mea kūʻai aku, e like me SGS, BV.
4) Apono ʻia e Malaysia, Indonesia, Singapore, Philippines, Australia, Peru a me UK. Loaʻa iā mākou nā palapala UL / FM, ISO9001/18001, FPC.
E pili ana iā mākou:
Ua hoʻokumu ʻia ʻo Tianjin Youfa Steel Pipe ma Iulai 1st, 2000. Aia ma kahi o 9000 mau limahana, 11 hale ʻoihana, 193 mau laina hana paipu kila, 3 hale hana i ʻae ʻia e ke aupuni, a me 1 ʻoihana ʻenehana ʻoihana ʻoihana ʻo Tianjin.
40 wela galvanized kila paipu hana laina
hale hana:
Tianjin Youfa Steel Pipe Group Co., Ltd .-No.1 Lala;
ʻO Tangshan Zhengyuan Steel Pipe Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Shaanxi Youfa Steel Pipe Co., Ltd