| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20181223 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20181222 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20181221 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20181220 | 
                    
                        |  | China national standards | MT | 1660.0 | USD | 20181220 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20181219 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20181218 | 
                    
                        |  | China national standards | MT | 1450.0 | USD | 20181218 |