| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        27440.0 | 
                        USD | 
                        20200223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        22590.0 | 
                        USD | 
                        20200221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        27600.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3220.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3510.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3260.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        22710.0 | 
                        USD | 
                        20200216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        24590.0 | 
                        USD | 
                        20200210 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3260.0 | 
                        USD | 
                        20200210 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3560.0 | 
                        USD | 
                        20200201 |