Bolt, Nut manufacturer / supplier in China, offering High Cost Performance Hot-DIP Galvanized Anchor Bolts M10 M16 M24 M20 M25 L Type Bolts Concrete Chemical Anchor Bolt, M10m20m30 Foundation L Bolts Carbon Steel Anchor Fasteners Zinc Plated Finish 20mm-50mm Length Factory Supply GB/DIN Standard, Factory Sales Standard Size Anchor Bolt Anchor Bolt M30 Anchor Bolt Weight Q235B / Q355b and so on.