| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20191201 | 
                    
                        |  | China national standards | MT | 800.0 | USD | 20191201 | 
                    
                        |  | China national standards | MT | 130.0 | USD | 20191123 | 
                    
                        |  | China national standards | MT | 3200.0 | USD | 20191122 | 
                    
                        |  | China national standards | MT | 810.0 | USD | 20191121 | 
                    
                        |  | China national standards | MT | 930.0 | USD | 20191121 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20191120 | 
                    
                        |  | China national standards | MT | 850.0 | USD | 20191120 | 
                    
                        |  | China national standards | MT | 840.0 | USD | 20191120 | 
                    
                        |  | China national standards | MT | 900.0 | USD | 20191119 |