| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20190520 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190519 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20190518 | 
                    
                        |  | China national standards | MT | 650.0 | USD | 20190517 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190516 | 
                    
                        |  | China national standards | MT | 220.0 | USD | 20190516 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190516 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190516 | 
                    
                        |  | China national standards | MT | 710.0 | USD | 20190516 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190515 |