| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8820.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        40.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        50.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        300.0 | 
                        USD | 
                        20200520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        70.0 | 
                        USD | 
                        20200520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        730.0 | 
                        USD | 
                        20200518 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        360.0 | 
                        USD | 
                        20200517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        460.0 | 
                        USD | 
                        20200517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        430.0 | 
                        USD | 
                        20200516 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9660.0 | 
                        USD | 
                        20200516 |