Ibicuruzwa | Umuyoboro wamashanyarazi |
Ibikoresho | Ibyuma bya Carbone |
Icyiciro | Q195 = S195 / A53 Icyiciro A. Q235 = S235 / A53 Icyiciro B / A500 Icyiciro A / STK400 / SS400 / ST42.2 Q355 = S355JR / A500 Icyiciro B Icyiciro C. |
Bisanzwe | ASTM A53, ASTM A500, A36, ASTM A795,ISO65, ANSI C80, DIN2440, JIS G3444,GB / T3091, GB / T13793 |
Ubuso | Zinc itwikiriye 200-500g / m2 (30-70um) CyangwaIrangi ryirabura / ritukurairangi, Epoxy Coating, cyangwa impeller iturika hamwe irangi |
Iherezo | Impera zometseho cyangwa Impera zumutwe |
hamwe cyangwa udafite ingofero |
Igenzura rikomeye:
1) Mugihe na nyuma yumusaruro, abakozi 4 ba QC bafite uburambe bwimyaka irenga 5 bagenzura ibicuruzwa kubushake.
2) Laboratoire yemewe yigihugu ifite ibyemezo bya CNAS
3) Igenzura ryemewe ryagatatu ryashyizweho / ryishyuwe nabaguzi, nka SGS, BV.
4) Byemejwe na Maleziya, Indoneziya, Singapore, Philippines, Ositaraliya, Peru n'Ubwongereza. Dufite UL / FM, ISO9001 / 18001, ibyemezo bya FPC.





Ibyerekeye:
Umuyoboro wa Tianjin Youfa washinzwe ku ya 1 Nyakanga 2000.Hariho abakozi bagera ku 9000, inganda 13, imirongo 293 y’ibyuma bitanga ibyuma, laboratoire 3 yemewe mu gihugu, na leta ya Tianjin ikigo cy’ikoranabuhanga cyemewe mu bucuruzi.
89 Imirongo ikora ibyuma bisudira
Inganda:
Tianjin Youfa Steel Pipe Group Co, Ltd.-No.2 Ishami;
Tangshan Zhengyuan Pipeline Industry Co., Ltd;
Tangshan Youfa Steel Pipe Manufacture Co., Ltd;
Handan Youfa Steel Pipe Co, Ltd;
Shaanxi Youfa Steel Pipe Co, Ltd;
Jiangsu Youfa Steel Pipe Co, Ltd;
Huludao Umuyoboro w'inganda, Ltd.

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