| Huahana | Paipu kila mea hoʻoheheʻe ahi |
| 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 | GB/T3091, GB/T13793 API 5L, ASTM A53, A500, A36, ASTM A795 |
| Nā kikoʻī | ASTM A795 sch10 sch30 sch40 |
| ʻIli | Pena ʻia i ka ʻeleʻele a i ʻole ka ʻulaʻula |
| Pau | Nā wēlau maʻemaʻe |
| Nā wēlau ʻauwaha |
Nā Kūlana a me nā Koina
Nā Mea Hana a me ke Kūkulu ʻana: Hana ʻia nā paipu i hōʻoia ʻia e UL mai ke kila kiʻekiʻe e kūlike ana i ka haku mele mea kikoʻī a me nā waiwai mechanical.
Nā Loiloi Kaomi: Pono kēia mau paipu e kū i nā kaomi kiʻekiʻe maʻamau i nā ʻōnaehana sprinkler ahi.
Ke Kū'ē ʻana i ka ʻAi ʻino: Hoʻokomo nā kūlana UL i nā hoʻokolohua no ke kū'ē ʻana i ka ʻai ʻino e hōʻoia i hiki i nā paipu ke kū i nā ʻano ʻino.
Nā Hoʻāʻo Leakage a me ka Ikaika: Hoʻāʻo koʻikoʻi ʻia nā paipu no ka leakage, ka ikaika pahū, a me ke kūpaʻa o ke kūkulu ʻana.
Ka ʻike ʻana
Māka UL: E nānā i ka māka hōʻoia UL ma ka paipu, e hōʻike ana i ka mālama ʻana i nā kūlana UL.
ʻIke Lepili: ʻO ka lepili ka mea maʻamau e komo pū me ka inoa o ka mea hana, ka nui o ka paipu, ka helu o ke kaomi, a me nā kikoʻī koʻikoʻi ʻē aʻe.
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.
62 mau laina hana paipu kila ERW
Nā Hale Hana:
ʻO Tianjin Youfa Steel Pipe Group Co., Ltd.-Lālā No.1;
ʻO Tianjin Youfa Steel Pipe Group Co., Ltd.-Lālā No.2;
ʻO Tangshan Zhengyuan Steel Pipe Co., Ltd;
ʻO Tangshan Youfa Steel Pipe Hana Hana Co., Ltd;
ʻO Handan Youfa Steel Pipe Co., Ltd;
ʻO Shanxi Youfa Steel Pipe Co., Ltd.
