| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        800.0 | 
                        USD | 
                        20180512 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5390.0 | 
                        USD | 
                        20180511 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5590.0 | 
                        USD | 
                        20180511 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        780.0 | 
                        USD | 
                        20180510 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1280.0 | 
                        USD | 
                        20180501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4850.0 | 
                        USD | 
                        20180501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5050.0 | 
                        USD | 
                        20180501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        990.0 | 
                        USD | 
                        20180501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        770.0 | 
                        USD | 
                        20180501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5050.0 | 
                        USD | 
                        20180501 |