Drop in Anchor, Wedge Anchor, Thread Rod manufacturer / supplier in China, offering QA32-10b Multi-Function Punching Shearing Machine, Chinese Factory High Quality Grip Flanged Drop in Anchors M6 1/4 M8 5/16 3/8 and 1/2, ASTM 1/4 5/16 3/8 1/2 Drop-in Anchor and so on.