| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        530.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        600.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        540.0 | 
                        USD | 
                        20191023 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        500.0 | 
                        USD | 
                        20191023 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4080.0 | 
                        USD | 
                        20191022 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4260.0 | 
                        USD | 
                        20191022 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        600.0 | 
                        USD | 
                        20191022 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3570.0 | 
                        USD | 
                        20191022 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3800.0 | 
                        USD | 
                        20191022 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4230.0 | 
                        USD | 
                        20191021 |