| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3750.0 | 
                        USD | 
                        20191217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3290.0 | 
                        USD | 
                        20191216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        24570.0 | 
                        USD | 
                        20191215 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        26240.0 | 
                        USD | 
                        20191212 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        23050.0 | 
                        USD | 
                        20191211 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        23080.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3480.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3730.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        22910.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        22910.0 | 
                        USD | 
                        20191201 |