| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3370.0 | USD | 20180121 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20180120 | 
                    
                        |  | China national standards | MT | 12200.0 | USD | 20180118 | 
                    
                        |  | China national standards | MT | 930.0 | USD | 20180117 | 
                    
                        |  | China national standards | MT | 10260.0 | USD | 20180116 | 
                    
                        |  | China national standards | MT | 1550.0 | USD | 20180116 | 
                    
                        |  | China national standards | MT | 1850.0 | USD | 20180116 | 
                    
                        |  | China national standards | MT | 12170.0 | USD | 20180115 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20180115 | 
                    
                        |  | China national standards | MT | 1540.0 | USD | 20180113 |