| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        600.0 | 
                        USD | 
                        20191112 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3950.0 | 
                        USD | 
                        20191111 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        560.0 | 
                        USD | 
                        20191111 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3920.0 | 
                        USD | 
                        20191110 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        570.0 | 
                        USD | 
                        20191110 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3920.0 | 
                        USD | 
                        20191110 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3880.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4180.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3770.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3880.0 | 
                        USD | 
                        20191101 |