| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2800.0 | 
                        USD | 
                        20170301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3380.0 | 
                        USD | 
                        20170301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        17950.0 | 
                        USD | 
                        20170223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20910.0 | 
                        USD | 
                        20170222 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20410.0 | 
                        USD | 
                        20170222 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2980.0 | 
                        USD | 
                        20170221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2560.0 | 
                        USD | 
                        20170220 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3070.0 | 
                        USD | 
                        20170219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20420.0 | 
                        USD | 
                        20170217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3060.0 | 
                        USD | 
                        20170216 |