| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3210.0 | USD | 20190720 | 
                    
                        |  | China national standards | MT | 440.0 | USD | 20190719 | 
                    
                        |  | China national standards | MT | 3010.0 | USD | 20190719 | 
                    
                        |  | China national standards | MT | 500.0 | USD | 20190717 | 
                    
                        |  | China national standards | MT | 460.0 | USD | 20190716 | 
                    
                        |  | China national standards | MT | 470.0 | USD | 20190716 | 
                    
                        |  | China national standards | MT | 3010.0 | USD | 20190715 | 
                    
                        |  | China national standards | MT | 430.0 | USD | 20190715 | 
                    
                        |  | China national standards | MT | 440.0 | USD | 20190714 | 
                    
                        |  | China national standards | MT | 3470.0 | USD | 20190714 |