| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        600.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        540.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3800.0 | 
                        USD | 
                        20191022 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3800.0 | 
                        USD | 
                        20191019 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4150.0 | 
                        USD | 
                        20191018 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3800.0 | 
                        USD | 
                        20191017 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        590.0 | 
                        USD | 
                        20191016 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3800.0 | 
                        USD | 
                        20191016 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3950.0 | 
                        USD | 
                        20191013 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4920.0 | 
                        USD | 
                        20191011 |