| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1770.0 | 
                        USD | 
                        20190814 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8120.0 | 
                        USD | 
                        20190812 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8400.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8270.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8290.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7850.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7850.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8290.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        57820.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        57030.0 | 
                        USD | 
                        20190801 |