| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 890.0 | USD | 20200221 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20200220 | 
                    
                        |  | China national standards | MT | 910.0 | USD | 20200219 | 
                    
                        |  | China national standards | MT | 840.0 | USD | 20200219 | 
                    
                        |  | China national standards | MT | 810.0 | USD | 20200217 | 
                    
                        |  | China national standards | MT | 660.0 | USD | 20200215 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20200215 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20200215 | 
                    
                        |  | China national standards | MT | 4600.0 | USD | 20200213 | 
                    
                        |  | China national standards | MT | 660.0 | USD | 20200212 |