| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 60.0 | USD | 20180621 | 
                    
                        |  | China national standards | MT | 370.0 | USD | 20180620 | 
                    
                        |  | China national standards | MT | 14150.0 | USD | 20180619 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20180616 | 
                    
                        |  | China national standards | MT | 190.0 | USD | 20180616 | 
                    
                        |  | China national standards | MT | 190.0 | USD | 20180613 | 
                    
                        |  | China national standards | MT | 60.0 | USD | 20180610 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20180601 | 
                    
                        |  | China national standards | MT | 370.0 | USD | 20180601 | 
                    
                        |  | China national standards | MT | 14180.0 | USD | 20180601 |