| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6470.0 | 
                        USD | 
                        20180823 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        870.0 | 
                        USD | 
                        20180821 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6870.0 | 
                        USD | 
                        20180821 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        870.0 | 
                        USD | 
                        20180821 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1000.0 | 
                        USD | 
                        20180820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6820.0 | 
                        USD | 
                        20180819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6420.0 | 
                        USD | 
                        20180819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5570.0 | 
                        USD | 
                        20180819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6890.0 | 
                        USD | 
                        20180818 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        860.0 | 
                        USD | 
                        20180818 |