TianjinYuantai DerunYakasungirirwa nemativi mana uye ine mativi manamapaipi esimbivakapihwa chitupa cheAAAAA chigadzirwa neInstitute of Metallurgical Industry Planning.
Zvichienderana nezvinodiwa chaizvo zve "rest assured" zvemapaipi akasungirirwa akaenzana uye akaenzana ezvivakwa, mapaipi esimbi akatenderera uye akaenzana ezvivakwa, chiyero ichi chinotarisa zvakakwana kuenderana kwemhando, mhinduro yemhando, chitupa chechigadzirwa, mibairo yekuremekedza padanho rechigadzirwa, kugona kuvimbisa mhando padanho rebhizinesi, kugona kuvandudza, kuvimbika kwebhizinesi, nhanho yebasa, nhanho yeruzivo nezvimwe zvirimo. Chinotarisa pakufambiswa kwesimba rekusimbisa mhando yechigadzirwa chebhizinesi uye kukosha kwechigadzirwa, kugadzira zviyero zvesainzi, zvine musoro, zvepamusoro uye zvinoshanda zvekuongorora, kupa hwaro hwedanho rinotevera rekugadzira pombi yakasungirirwa ine chinangwa chekuvaka, chitupa chesimbi yakasungirirwa inotonhora kana inopisa yakasungirirwa, kurima nekuvaka zvigadzirwa zvesimbi "assured brand".
Chikwata chefekitori chezvitupa:Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd
Kero yefekitori yezvitupa:Nhamba 2, Hengtong Road, Daqiuzhuang Industrial Park, Jinghai District, Tianjin
Chikamu chechigadzirwa chekusimbisa: pombi yesimbi yakasungirirwa ine sikweya uye rectangular
Zita rechigadzirwa chekusimbisa:rectangularpombi yesimbi yakasungirirwa
Muenzaniso wechigadzirwa uye zvirevo:Q235B, Q355B, Q355C, Q355D, Q420, Q460
（20*40）mm2 ~(800*1200)mm2
Mitemo nezvinodiwa zvehunyanzvi:
T/SSEA 0109-2021 Nhungamiro dzeKuongorora Kuyera Kwemhando Yepamusoro uye Kuyera Magiredhi eSquare neRectangular Welded Steel PipeZvigadzirwa
Maitiro ekupa chitupa:kuongorora kwekutanga + kuongorora sampuro yechigadzirwa + kutarisa mushure mekupihwa chitupa
AAAAA
Yakabudiswa na:Sangano reChina Metallurgical Industry Planning and Research
Zuva rekuburitswa:Zvita 30, 2022 Zuva rekupera: Zvita 29, 2025
Nguva yekutumira: Ndira-12-2023
