| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        720.0 | 
                        USD | 
                        20200411 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        750.0 | 
                        USD | 
                        20200411 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        750.0 | 
                        USD | 
                        20200410 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        750.0 | 
                        USD | 
                        20200410 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        100.0 | 
                        USD | 
                        20200410 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        110.0 | 
                        USD | 
                        20200410 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        450.0 | 
                        USD | 
                        20200401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        290.0 | 
                        USD | 
                        20200401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        690.0 | 
                        USD | 
                        20200401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        710.0 | 
                        USD | 
                        20200401 |