High Strength Bolt for Steel Structure Hangzhou Dingmingshang Industry Co., Ltd. Base Info Model NO.:HZRL200703103Material:SteelSurface Finishing:PlainPerformance:as Per StandardCustomized:CustomizedTrademark:DMSTransport Package:According to RequirementOrigin:China Description Pre:High Quality DIN GB China Drywall Screw Fastener Next:Hot Sale Round DIN China Fine /Coarse Screw Nail Ms22003