| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1640.0 | USD | 20180816 | 
                    
                        |  | China national standards | MT | 1610.0 | USD | 20180814 | 
                    
                        |  | China national standards | MT | 11160.0 | USD | 20180813 | 
                    
                        |  | China national standards | MT | 1590.0 | USD | 20180811 | 
                    
                        |  | China national standards | MT | 1670.0 | USD | 20180810 | 
                    
                        |  | China national standards | MT | 12050.0 | USD | 20180801 | 
                    
                        |  | China national standards | MT | 11100.0 | USD | 20180801 | 
                    
                        |  | China national standards | MT | 1690.0 | USD | 20180801 | 
                    
                        |  | China national standards | MT | 11220.0 | USD | 20180801 | 
                    
                        |  | China national standards | MT | 1860.0 | USD | 20180801 |