| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 2240.0 | USD | 20181215 | 
                    
                        |  | China national standards | MT | 480.0 | USD | 20181214 | 
                    
                        |  | China national standards | MT | 480.0 | USD | 20181213 | 
                    
                        |  | China national standards | MT | 2270.0 | USD | 20181213 | 
                    
                        |  | China national standards | MT | 400.0 | USD | 20181212 | 
                    
                        |  | China national standards | MT | 2760.0 | USD | 20181211 | 
                    
                        |  | China national standards | MT | 330.0 | USD | 20181210 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20181210 | 
                    
                        |  | China national standards | MT | 4960.0 | USD | 20181210 | 
                    
                        |  | China national standards | MT | 2740.0 | USD | 20181201 |