TianjinYuantai DerunHe tapawha me te tapawhā tapawhā kua paihereapaipa maitaii whakawhiwhia te tohu hua AAAAA e te Institute of Metallurgical Industry Planning
E ai ki nga whakaritenga motuhake o te "whakapumautia" mo nga putorino tapawha me te tapawha tapawha mo nga kaupapa hanganga, nga putorino maitai tapawha me te tapawha mo nga kaupapa hanganga whanui, ka whakaarohia e te paerewa te rite o te kounga, te urupare kounga, te tiwhikete hua, nga tohu honore i te taumata hua. , te kaha ki te whakapumau i te kounga i te taumata hinonga, te kaha auaha, te pono o te hinonga, te taumata ratonga, te taumata whakamohiotanga me etahi atu korero. Ko te arotahi ki te tuku i te kaha o te whakapumautanga o te kounga o te hua hinonga me te uara o te waitohu hua, te whakawhanake i nga paerewa arotakenga putaiao, whaitake, matatau me te whai take, ka whakarato i te turanga mo te waahanga e whai ake nei o te hangahanga paipa paipa paipa, te kaupapa whanui te matao, te wera ranei, te paipa paipa maitai. tohu tohu, ngaki me te hanga i nga hua rino "tohu tohu".
Waehe wheketere Tiwhikete:Tianjin Yuantai Derun Steel Pipe Manufacturing Group Co., Ltd
Wāhitau o te wheketere tohu tohu:Nama 2, Hengtong Road, Daqiuzhuang Industrial Park, Jinghai District, Tianjin
Tiwhikete kāwai hua: tapawha me te tapawha paipa maitai paiherea
Ingoa hua Tiwhikete:tapawhāpaipa maitai paiherea
Tauira hua me te whakaritenga:Q235B, Q355B, Q355C, Q355D, Q420, Q460
(20*40)mm2 ~(800*1200)mm2
Paerewa me nga whakaritenga hangarau:
T/SSEA 0109-2021 Aratohu mo te Maaka Kounga me te Aromātai Tohu o te Tapawha meTapawhā Paihere Paipa maitaiHua
Aratau Tiwhikete:te tirotiro tuatahi+te tirotiro tauira tauira hua+te tirotiro i muri i te tiwhikete
AAAA
I tukuna e:China Metallurgical Industry Planning and Research Institute
Te ra o te putanga:Hakihea 30, 2022 Te ra paunga: Hakihea 29, 2025
Te wa tuku: Hanuere-12-2023