spring steel flat bar sup11 1.Width from 44.5~140mm ... 3.Grade:SUP7,SUP9,SUPA,SUP11A 4.TS16949,COC,CIQ China spring steel flat bar sup11 Our flat steel factory found in ... to control the quality and lead time by ourselves.1. Spring Raw material & flat bar after-cutting;2. Grade from SUP7 ... ...120x20 ...Remark:Other sizes are available according to customers' request China spring steel flat bar sup11