| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 8200.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 8990.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 1600.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 1800.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 8060.0 | USD | 20190320 | 
                    
                        |  | China national standards | MT | 1190.0 | USD | 20190320 | 
                    
                        |  | China national standards | MT | 8160.0 | USD | 20190318 | 
                    
                        |  | China national standards | MT | 1450.0 | USD | 20190318 | 
                    
                        |  | China national standards | MT | 750.0 | USD | 20190318 | 
                    
                        |  | China national standards | MT | 1190.0 | USD | 20190317 |