Shandong xinxin peng qhov khoom siv hlau co., LTD., tshwj xeeb hauv kev tsim thiab xa tawm ntawm Q235B, Q345B, 40 cr.12 cr1 mav.T91 yog.27 xim.30 crm.15 crm.20 g ib.Cr9 hmo.15 hmu 3.15 crm.35 crm ua.45CrMo thiab lwm yam khoom qauv ntawm seamless steel yeeb nkab, American standard steel yeeb nkab, welded yeeb nkab, galvanized yeeb nkab thiab customized txhua yam ntawm cov yeeb nkab tsis-standard.Thiab ua yeeb yam hauv tsev steel mills ntawm lub kauj, galvanized kauj, ntawv, phaj thiab lwm yam phaj tshwj xeeb, thiab tuaj yeem ua tiav txhua yam ntawm cov phaj phaj.Peb ua raws li lub hom phiaj ntawm kev siv zog los ua lub ntiaj teb thawj-chav kawm steel yeeb nkab kev lag luam, thiab txuas ntxiv mus, yeej qhov kev lees paub thiab kev txhawb nqa ntawm ntau lub tuam txhab txawv teb chaws, peb cov kev pabcuam: 24 teev ib hnub, txhua xyoo puag ncig "