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 Q355 = 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) A i ʻolePena ʻeleʻele / pena ʻulaʻulaʻeleʻele, Epoxy uhi, a i ʻole ka puhi ʻana i ka impeller me ka pena |
Hoʻopau | ʻO nā ʻaoʻao i hoʻopaʻa ʻia a i ʻole nā ʻaoʻao Threaded |
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, 13 hale ʻoihana, 293 mau laina hana paipu kila, 3 ʻāina ʻokoʻa i ʻae ʻia, a me 1 ʻoihana ʻenehana ʻoihana ʻoihana ʻo Tianjin.
89 Nā laina hana paipu kila welded
hale hana:
Tianjin Youfa Steel Pipe Group Co., Ltd .-No.2 Lala;
ʻO Tangshan Zhengyuan Pipeline Industry Co., Ltd;
ʻO Tangshan Youfa Steel Pipe Manufacture Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Shaanxi Youfa Steel Pipe Co., Ltd;
ʻO Jiangsu Youfa Steel Pipe Co., Ltd;
Huludao Steel Pipe Industrial Co., Ltd