Mechanical Anchor Bolt, Chemical Anchor Bolt manufacturer / supplier in China, offering 2 Way and 4 Way FM Seismic Braces Pipe Supports and Hangers Beam Clamp and Pipe Ring, FM Approval Seismic Bracing Pipe Fittings for Sprinkler Pipe Support and Hanger, Sway-Bracing Fitting Beam Clamp FM Seismic Connector Pipe Ring for Springkler System and so on.