Mechanical surface preparation of slugs in cold forging, Method for suppressing the surface cracking in cold forging, Optimized product quality and tool life in cold forging by probabilistic simulation,Overview of cold forging technology, Precision Multioperational Cold Forging of the Powder Rings, Strength Evaluation of Aluminum Alloy Bolt by Nano-Indentation Hardness Test,Surface Preparation for Cold Forging by Mechanical Coating.