... Danforth anchor, Anchor swivels, Anchor bow rollers.buoy anchor,tubing anchors,casing anchorgalvanized plow anchor Casting: investment casting ,precision casting, ... steel ,alloy steel, heat resistant steel ,tool steel ,brass and aluminum ,according to DIN ,EN, ASTM, BS,JCSI.Piece ... numbers: small, medium and large series.Process: cast, machining, turning, milling, drilling, ...