| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        12910.0 | 
                        USD | 
                        20170823 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1910.0 | 
                        USD | 
                        20170820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        15020.0 | 
                        USD | 
                        20170818 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2210.0 | 
                        USD | 
                        20170813 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        15040.0 | 
                        USD | 
                        20170813 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1900.0 | 
                        USD | 
                        20170801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2190.0 | 
                        USD | 
                        20170801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        12810.0 | 
                        USD | 
                        20170801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2070.0 | 
                        USD | 
                        20170723 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2070.0 | 
                        USD | 
                        20170721 |