| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2870.0 | 
                        USD | 
                        20190520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        450.0 | 
                        USD | 
                        20190520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        440.0 | 
                        USD | 
                        20190519 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3220.0 | 
                        USD | 
                        20190518 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3000.0 | 
                        USD | 
                        20190518 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        50.0 | 
                        USD | 
                        20190518 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3230.0 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3030.0 | 
                        USD | 
                        20190516 |