| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        270.0 | 
                        USD | 
                        20191015 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7350.0 | 
                        USD | 
                        20191013 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        52000.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1860.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7350.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        260.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        51780.0 | 
                        USD | 
                        20190922 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1790.0 | 
                        USD | 
                        20190921 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        250.0 | 
                        USD | 
                        20190916 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        250.0 | 
                        USD | 
                        20190915 |