| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 50.0 | USD | 20200212 | 
                    
                        |  | China national standards | MT | 70.0 | USD | 20200211 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20200210 | 
                    
                        |  | China national standards | MT | 540.0 | USD | 20200210 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 550.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 70.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 50.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20200201 |