| 2014 | Invention | Method for forming non-rectangular section ring from rectangular section ring. A method for expan... | 
				    			
				    				
				    					| 2012 | Invention | Method for heat bulge forming rectangular ring rolled piece of stainless steel. Disclosed is a me... | 
				    			
				    				
				    					|  | Invention | Method for hot bulge-forming high-temperature alloy rectangular ring-rolled workpiece into irregu... | 
				    			
				    				
				    					|  | Invention | Method for hot bulge-forming titanium alloy irregularly-shaped ring-rolled workpiece. A method fo... | 
				    			
				    				
				    					| 2008 | Invention | Large size forging die for producing ni base high temperature alloy disk forging by adequal isoth... | 
				    			
				    				
				    					|  | Invention | A quasi-isothermal forging method of a disk shaped forging of nickel-base superalloys in air. A q... |