| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20191201 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20191201 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20191123 | 
                    
                        |  | China national standards | MT | 710.0 | USD | 20191122 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20191121 | 
                    
                        |  | China national standards | MT | 760.0 | USD | 20191121 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20191119 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20191119 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20191119 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20191118 |