Prestressed Anchorage, Threaded Rod, Bolts and Nuts manufacturer / supplier in China, offering Manufacturer of Germany Style 7.5mm Self-Tapping Concrete Frame Screws, Xingming High-Strength Prestressed Anchorage for 12.7/15.24 mm Post-Tensioning Systems, Premium Galvanised Hexagon Socket Head Cap Bolt for Industrial Use and so on.