| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        970.0 | 
                        USD | 
                        20191114 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        100.0 | 
                        USD | 
                        20191114 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        100.0 | 
                        USD | 
                        20191113 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        140.0 | 
                        USD | 
                        20191111 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        700.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        710.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9500.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9500.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        710.0 | 
                        USD | 
                        20191101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        100.0 | 
                        USD | 
                        20191101 |