1.usage:half round bar for shipping use and machina CCS,ABS, GL,DNV,RINA,etc 2.smooth surface and high quaility 3.30mm--250mm We own the eight profession engineers of high strength steel wire,and five QC to keep the products good quality so that in overseas marketing,we have been getting good reputation for 10 years ,next we introduce the products as follows:1.Usage:Half round steel bar is widely ...