Tianjin Yuantai Derun Group's square thiab rectangular welded steel kav tau txais AAAAA cov khoom pov thawj los ntawm lub koom haum ntawm Metallurgical Industry Planning

Raws li cov kev cai tshwj xeeb ntawm "so assured" rau square thiab rectangular welded kav rau cov hom phiaj, square thiab rectangular steel kav rau cov hom phiaj dav dav, tus qauv txiav txim siab qhov zoo sib xws, kev tawm tswv yim zoo, cov khoom pov thawj, khoom plig khoom plig ntawm qib khoom. , muaj peev xwm ua tau zoo nyob rau theem kev lag luam, kev muaj peev xwm tsim kho tshiab, kev ua haujlwm ncaj ncees, qib kev pabcuam, qib kev tshaj tawm thiab lwm yam ntsiab lus.Centering ntawm kev sib kis ntawm cov khoom lag luam kev ruaj ntseg muaj peev xwm thiab cov khoom lag luam tus nqi, txhim kho kev tshawb fawb, tsim nyog, qib siab thiab siv tau cov qauv ntsuas, muab lub hauv paus rau cov kauj ruam tom ntej ntawm lub hom phiaj welded yeeb nkab, lub hom phiaj dav dav txias dov lossis kub dov welded steel yeeb nkab kom paub tseeb hom ntawv pov thawj, cultivate thiab tsim steel khoom "assured brand".