| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        28500.0 | 
                        USD | 
                        20190613 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        30250.0 | 
                        USD | 
                        20190613 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3910.0 | 
                        USD | 
                        20190612 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3910.0 | 
                        USD | 
                        20190610 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        32170.0 | 
                        USD | 
                        20190521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        27620.0 | 
                        USD | 
                        20190521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7590.0 | 
                        USD | 
                        20190521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4120.0 | 
                        USD | 
                        20190519 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4800.0 | 
                        USD | 
                        20190517 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        28040.0 | 
                        USD | 
                        20190513 |