| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1550.0 | USD | 20171221 | 
                    
                        |  | China national standards | MT | 1630.0 | USD | 20171220 | 
                    
                        |  | China national standards | MT | 1520.0 | USD | 20171220 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20171218 | 
                    
                        |  | China national standards | MT | 250.0 | USD | 20171217 | 
                    
                        |  | China national standards | MT | 200.0 | USD | 20171217 | 
                    
                        |  | China national standards | MT | 1550.0 | USD | 20171217 | 
                    
                        |  | China national standards | MT | 1360.0 | USD | 20171215 | 
                    
                        |  | China national standards | MT | 1480.0 | USD | 20171214 | 
                    
                        |  | China national standards | MT | 1680.0 | USD | 20171211 |