| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        500.0 | 
                        USD | 
                        20200218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        320.0 | 
                        USD | 
                        20200218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        270.0 | 
                        USD | 
                        20200218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20640.0 | 
                        USD | 
                        20200218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        640.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        250.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2400.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        290.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1090.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2550.0 | 
                        USD | 
                        20200216 |