| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        380.0 | 
                        USD | 
                        20200422 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        380.0 | 
                        USD | 
                        20200422 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        630.0 | 
                        USD | 
                        20200421 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        380.0 | 
                        USD | 
                        20200421 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3130.0 | 
                        USD | 
                        20200420 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1650.0 | 
                        USD | 
                        20200419 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        400.0 | 
                        USD | 
                        20200419 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        430.0 | 
                        USD | 
                        20200419 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2670.0 | 
                        USD | 
                        20200418 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        420.0 | 
                        USD | 
                        20200418 |