| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20200922 | 
                    
                        |  | China national standards | MT | 1400.0 | USD | 20200922 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20200920 | 
                    
                        |  | China national standards | MT | 1650.0 | USD | 20200919 | 
                    
                        |  | China national standards | MT | 1280.0 | USD | 20200918 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20200917 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20200917 | 
                    
                        |  | China national standards | MT | 1280.0 | USD | 20200916 | 
                    
                        |  | China national standards | MT | 1170.0 | USD | 20200915 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20200914 |