| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        400.0 | 
                        USD | 
                        20190601 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        340.0 | 
                        USD | 
                        20190601 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3040.0 | 
                        USD | 
                        20190601 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2940.0 | 
                        USD | 
                        20190601 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        340.0 | 
                        USD | 
                        20190523 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        450.0 | 
                        USD | 
                        20190522 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        410.0 | 
                        USD | 
                        20190521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2990.0 | 
                        USD | 
                        20190520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3030.0 | 
                        USD | 
                        20190520 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2870.0 | 
                        USD | 
                        20190520 |