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- Vendor:
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                    
                
- Time:
                    
                    
                    
                
 
        
     
    
    
        
            
                
                    
                        | Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20190810 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 70.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 140.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 850.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 970.0 | USD | 20190723 | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20190722 |