| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        59600.0 | 
                        USD | 
                        20190101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        63040.0 | 
                        USD | 
                        20190101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        10610.0 | 
                        USD | 
                        20190101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        73050.0 | 
                        USD | 
                        20190101 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        59290.0 | 
                        USD | 
                        20181222 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8870.0 | 
                        USD | 
                        20181221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8520.0 | 
                        USD | 
                        20181220 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9040.0 | 
                        USD | 
                        20181218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9040.0 | 
                        USD | 
                        20181218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8530.0 | 
                        USD | 
                        20181217 |