TianjinYuantai DerunGroup's square uye rectangular weldedmapaipi esimbivakapihwa AAAAA chigadzirwa chitupa neInstitute of Metallurgical Industry Planning
Zvinoenderana nezvinodiwa chaizvo zve "zorora kuvimbiswa" kune sikweya uye rectangular welded pombi yezvinangwa zvechimiro, sikweya uye rectangular simbi mapaipi kune zvakajairwa zvinangwa, chiyero chinotarisisa kuenderana kwemhando, mhinduro yemhando, chitupa chitupa, mibairo yeruremekedzo padanho rechigadzirwa. , kugona kwekuvimbisa kwemhando padanho rebhizinesi, kugona innovation, kuvimbika kwebhizinesi, nhanho yebasa, nhanho yekuzivisa uye zvimwe. zviri mukati. Iri pakati pekufambiswa kwebhizinesi chigadzirwa chemhando yekusimbisa kugona uye kukosha kwechigadzirwa, gadzira sainzi, inonzwisisika, yepamusoro uye inoshanda yekuongorora zviyero, inopa hwaro hwedanho rinotevera rechinangwa chekugadzira welded pombi, chinangwa chese chinotonhora chakakungurutswa kana chinopisa chakakungurutswa welded simbi pombi inovimbiswa. brand certification, rima uye kuvaka zvigadzirwa zvesimbi "assured brand".
Certification factory unit:Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd
Kero yefekitari yezvitupa:Nhamba 2, Hengtong Road, Daqiuzhuang Industrial Park, Jinghai District, Tianjin
Certification chigadzirwa chikamu: sikweya uye rectangular welded simbi pombi
Certification product name:rectangularwelded simbi pombi
Chigadzirwa modhi uye yakatarwa:Q235B, Q355B, Q355C, Q355D, Q420, Q460
(20*40)mm2 ~(800*1200)mm2
Zviyero uye zvehunyanzvi zvinodiwa:
T/SSEA 0109-2021 Mirayiridzo yeKukwirisa Kwemhando uye Kuongorora Kuongorora kweSikweya uyeRectangular Welded Steel PipeProducts
Certification mode:kwekutanga kuongorora + chigadzirwa sampling yekuongorora + kutarisa mushure mekupihwa chitupa
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Yakabudiswa na:China Metallurgical Indasitiri Kuronga uye Research Institute
Zuva rekubuda:Zvita 30, 2022 Nguva yekupedzisira: Zvita 29, 2025
Nguva yekutumira: Jan-12-2023
