| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1070.0 | USD | 20180317 | 
                    
                        |  | China national standards | MT | 1070.0 | USD | 20180315 | 
                    
                        |  | China national standards | MT | 6800.0 | USD | 20180313 | 
                    
                        |  | China national standards | MT | 5370.0 | USD | 20180313 | 
                    
                        |  | China national standards | MT | 840.0 | USD | 20180310 | 
                    
                        |  | China national standards | MT | 5160.0 | USD | 20180301 | 
                    
                        |  | China national standards | MT | 6780.0 | USD | 20180301 | 
                    
                        |  | China national standards | MT | 4320.0 | USD | 20180301 | 
                    
                        |  | China national standards | MT | 8630.0 | USD | 20180301 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20180301 |