| Igicuruzwa | Umuyoboro w'icyuma wa ASTM A53 w'umukara uvanze n'irangi |
| Ibikoresho | Icyuma cya karuboni |
| Icyiciro | Q195 = S195 / A53 Icyiciro A Q235 = S235 / A53 Icyiciro B / A500 Icyiciro AQ345 = S355JR / A500 Icyiciro B Icyiciro C |
| Igisanzwe | GB/T3091, GB/T13793API 5L / ASTM A53, A500, A36, ASTM A795 |
| Ibisobanuro | ASTM A53 A500 sch10 – sch80 |
| Ubuso | Irangi ry'umukara |
| Irangira | Impera zisanzwe |
| Impera zifite imitako |
Porogaramu:
Umuyoboro w'icyuma w'ubwubatsi / ibikoresho by'ubwubatsi
Umuyoboro w'icyuma ushyirwamo ibikoresho
Umuyoboro w'icyuma ukozwe mu ruzitiro
Umuyoboro w'icyuma urinda inkongi y'umuriro
Umuyoboro w'icyuma gishyushya ibimera
Amazi, gazi, peteroli, umuyoboro w'amazi ufite umuvuduko muke
Umuyoboro wo kuhira
Umuyoboro w'intoki



Igenzura ry’Ubuziranenge mu buryo Buhamye:
1) Mu gihe cyo gukora na nyuma yo gukora, abakozi 4 ba QC bafite uburambe bw'imyaka irenga 5 bagenzura ibicuruzwa mu buryo butunguranye.
2) Laboratwari yemewe n'igihugu ifite impamyabumenyi za CNAS
3) Igenzura ryemewe riturutse ku muntu wa gatatu washyizweho/wishyuwe n'umuguzi, nka SGS, BV.
4) Byemejwe na Maleziya, Indoneziya, Singapuru, Filipine, Ositaraliya, Peru n'Ubwongereza. Dufite ibyangombwa bya UL / FM, ISO9001/18001, FPC.
Ibyerekeye twe:
Tianjin Youfa Steel Pipe Group Co., Ltd yashinzwe ku ya 1 Nyakanga 2000. Hari abakozi bagera ku 8000, inganda 9, imiyoboro 179 ikora imiyoboro y'ibyuma, laboratwari 3 zemewe ku rwego rw'igihugu, n'ikigo kimwe cy'ikoranabuhanga ry'ubucuruzi cyemewe na leta ya Tianjin.
Imiyoboro 62 y'icyuma cya ERW ikorwamo imiyoboro
Inganda:
Tianjin Youfa Steel Pipe Group Co., Ltd Ishami rya mbere;
Tianjin Youfa Steel Pipe Group Co., Ltd Ishami rya .-No.2;
Tangshan Zhengyuan Steel Pipe Co., Ltd;
Tangshan Youfa Steel Pipe Manufacture Co., Ltd;
Handan Youfa Steel Pipe Co., Ltd;
Shanxi Youfa Steel Pipe Co., Ltd

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