| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20180217 | 
                    
                        |  | China national standards | MT | 270.0 | USD | 20180216 | 
                    
                        |  | China national standards | MT | 1770.0 | USD | 20180215 | 
                    
                        |  | China national standards | MT | 1830.0 | USD | 20180215 | 
                    
                        |  | China national standards | MT | 1870.0 | USD | 20180215 | 
                    
                        |  | China national standards | MT | 1770.0 | USD | 20180214 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20180214 | 
                    
                        |  | China national standards | MT | 1880.0 | USD | 20180210 | 
                    
                        |  | China national standards | MT | 1910.0 | USD | 20180201 | 
                    
                        |  | China national standards | MT | 1870.0 | USD | 20180201 |