spring steel flat bar sup11 1.Width from 44.5~140mm 2.Thickness from 6 ~50mm 3.Grade:SUP7,SUP9,SUPA,SUP11A 4.TS16949,COC,CIQ China spring steel flat bar sup11 Our flat steel factory found in 1999, certificated by ISO9001:2000, locates in Hebeiprovince, Tangshancity, near Tianjin seaport. At present, we warmly welcome home and abroad steel material orders of SUP9 or SUP9A, which we can supply with ...
