... & galvanizing. 2.Bruce anchor, Plow anchor ,Wing anchor ,Fluck anchor. 3.buoy anchor,tubing anchors 1..Anchor material:316 stainless steel ... anchor, Anchor swivels, Anchor bow rollers.buoy anchor,tubing anchors,casing anchorgalvanized plow anchor Casting: investment casting ,precision casting, lost wax casting ... x-ray,metallograph.Quality control: According to ISO 9001 2001 Galvanized Plow Anchors