| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4850.0 | 
                        USD | 
                        20190521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        870.0 | 
                        USD | 
                        20190521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20530.0 | 
                        USD | 
                        20190520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        980.0 | 
                        USD | 
                        20190520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1830.0 | 
                        USD | 
                        20190519 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6670.0 | 
                        USD | 
                        20190518 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        32630.0 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        12270.0 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        177210.02 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        870.0 | 
                        USD | 
                        20190516 |