1.Anchor style :Bruce anchor, Plow anchor ,Wing anchor ,Fluck anchor ,Folding grapnel anchor. 2.According to ISO 9001 2001 Stainless Steel Folding Anchor,steel wedge anchor1. ... and large series.4. Process: cast, machining, turning, milling, drilling, thread cutting.5. Surface treatment: glass rays electrolytic polishing, coating ... control: According to ISO 9001 2001 Stainless Steel Folding Anchor