| Sehlahisoa | Pipe ea Tšepe ea Sprinkler ea Mollo |
| Thepa | Tšepe ea Khabone |
| Sehlopha | Q195 = S195 / A53 Kereiti A Q235 = S235 / A53 Kereiti B / A500 Kereiti A / STK400 / SS400 / ST42.2 Q345 = S355JR / A500 Kereiti B Kereiti C |
| E tloaelehileng | GB/T3091, GB/T13793 API 5L, ASTM A53, A500, A36, ASTM A795 |
| Litlhaloso | ASTM A795 sch10 sch30 sch40 |
| Bokaholimo | Pente e Ntšo kapa e Khubelu |
| Lipheletso | Lipheletso tse sa hlakang |
| Lipheletso tse nang le mela |
Maemo le Litlhoko
Thepa le Kaho: Liphaephe tse netefalitsoeng ke UL li entsoe ka tšepe ea boleng bo holimo e fihlelang sebopeho se itseng sa thepa le thepa ea mechini.
Litekanyetso tsa Khatello: Liphaephe tsena li tlameha ho mamella khatello e phahameng e tloaelehileng lits'ebetsong tsa ho fafatsa mollo.
Ho Hanela Mafome: Litekanyetso tsa UL li kenyelletsa liteko tsa ho hanela mafome ho netefatsa hore liphaephe li khona ho mamella maemo a thata.
Liteko tsa ho Dutla le Matla: Liphaephe li feta litekong tse matla bakeng sa ho dutla, matla a ho phatloha le botsitso ba sebopeho.
Boitsebiso
Letšoao la UL: Batla letšoao la setifikeiti sa UL phaepheng, le bontšang ho latela maemo a UL.
Tlhahisoleseding ka Leibole: Leibole hangata e kenyelletsa lebitso la moetsi, boholo ba phaephe, tekanyo ea khatello, le lintlha tse ling tsa bohlokoa.


Mabapi le rona:
Tianjin Youfa Steel Pipe Group Co., Ltd e thehiloe ka la 1 Phupu, 2000. Ho na le basebetsi ba ka bang 8000 ka botlalo, lifeme tse 9, mela ea tlhahiso ea liphaephe tsa tšepe tse 179, laboratori e 3 e ngolisitsoeng ea naha, le setsi se le seng sa theknoloji ea khoebo se ngolisitsoeng ke mmuso sa Tianjin.
Mela ea tlhahiso ea liphaephe tsa tšepe tsa ERW tse 62
Lifeme:
Tianjin Youfa Steel Pipe Group Co., Ltd. Lekala la .-No.1;
Tianjin Youfa Steel Pipe Group Co., Ltd. Lekala la .-No.2;
Tangshan Zhengyuan Steel Pipe Co.,Ltd;
Tangshan Youfa Steel Pipe Production Co.,Ltd;
Handan Youfa Steel Pipe Co.,Ltd;
Shanxi Youfa Steel Pipe Co., Ltd

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