| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        660.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        660.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        680.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        90.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        90.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        100.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        90.0 | 
                        USD | 
                        20200523 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        450.0 | 
                        USD | 
                        20200522 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        360.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        70.0 | 
                        USD | 
                        20200518 |