| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7330.0 | 
                        USD | 
                        20181201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        700.0 | 
                        USD | 
                        20181201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        580.0 | 
                        USD | 
                        20181201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1010.0 | 
                        USD | 
                        20181201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        660.0 | 
                        USD | 
                        20181201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        690.0 | 
                        USD | 
                        20181201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4890.0 | 
                        USD | 
                        20181123 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7740.0 | 
                        USD | 
                        20181123 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5040.0 | 
                        USD | 
                        20181123 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5040.0 | 
                        USD | 
                        20181123 |