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 Product classification 
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 Factory Warehouse |  
	
		
			
				
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						  | 
				
						  | 
			 
			
				
| 
					
 in production  | 
				
					
 in production  | 
				
					
 in production  | 
				
					
 in production  | 
			 
			
				
						  | 
				
						  | 
				
						  | 
				
						  | 
			 
			
				
| 
					
 quality control  | 
				
					
 raw materials inspection  | 
				
					
 raw materials inspection  | 
				
					
 raw materials inspection  | 
			 
			
				
						  | 
				
						  | 
				
						  | 
				
						  | 
			 
			
				
| 
					
 raw materials inspection  | 
				
					
 ready for shipment  | 
				
					
 inspection before shipment  | 
				
					
 warehouse  | 
			 
			
				
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						  | 
				
						  | 
				
						  | 
			 
			
				
| 
					
 warehouse  | 
				
					
 warehouse  | 
				
					
 warehouse  | 
				
					
 warehouse  | 
			 
		
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