| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        620.0 | 
                        USD | 
                        20191011 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3420.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        10330.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1870.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        510.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4350.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3420.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        30800.0 | 
                        USD | 
                        20191001 |