| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1580.0 | USD | 20181217 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20181216 | 
                    
                        |  | China national standards | MT | 1780.0 | USD | 20181215 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20181214 | 
                    
                        |  | China national standards | MT | 260.0 | USD | 20181212 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20181212 | 
                    
                        |  | China national standards | MT | 1580.0 | USD | 20181211 | 
                    
                        |  | China national standards | MT | 1670.0 | USD | 20181210 | 
                    
                        |  | China national standards | MT | 1610.0 | USD | 20181201 | 
                    
                        |  | China national standards | MT | 1760.0 | USD | 20181201 |