| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2250.0 | 
                        USD | 
                        20170901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1110.0 | 
                        USD | 
                        20170901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3430.0 | 
                        USD | 
                        20170820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        260.0 | 
                        USD | 
                        20170819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        510.0 | 
                        USD | 
                        20170819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        370.0 | 
                        USD | 
                        20170818 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3440.0 | 
                        USD | 
                        20170815 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2530.0 | 
                        USD | 
                        20170815 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        220.0 | 
                        USD | 
                        20170810 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1510.0 | 
                        USD | 
                        20170801 |