Imported superior carbon steel
	
		Selection of German floor, Luxemburg alloy head, imported high-quality welding pieces, raw material selection, quality assurance.
	
		
			
				 
				
					Carbon element distribution diagram
			 
			
				 
				
					Germany raw material series
			 
			
				 
				
					Japan raw material series
			 
		 
		
			
				 
				
					
						Two times tooth grinding technic(Tooth Rake  Grinding,
						Tooth Top Grinding) to optimizing performance. 
				 
			 
			
				 
				
					
						Two times tooth grinding technic(Tooth Rake  Grinding,
						Tooth Top Grinding) to optimizing performance.