Wire Standard: SWRCH18A/SWRCH35K. steel wirematerial: Q235,Q195,SWRCH22A,SWRCH35K ,C10B21,35CrMo.40Crmo and so on .We can suppy you the proper wire rod according to what item you decide to produce . We assure you our products are "GOOD QUALITY ,COMPETITIVE PRICE ". Steel Wire Rod