1.famous brand factory 2.CER:ISO9001:2008 3.Biggest U- bolt manufacturer 4.Grade:4.8,8.8,10.9,12.9 5.u bolt and nuts steel u bolt,bolt and nuts,u clamp Biggest u bolt manufacturer in ChinaWe can produce U bolt M10-M36 1)Certification:ISO9001:20082)Place of Origin:Fujian China3)Brand Names:Jiajing/Jinliang/U Series4)High quality strength:grade8.8,9.8,10.95Diameter:10mm,12mm,14mm,16mm,18mm,20mm, ...