| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        820.0 | 
                        USD | 
                        20171220 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        750.0 | 
                        USD | 
                        20171218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5000.0 | 
                        USD | 
                        20171217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        760.0 | 
                        USD | 
                        20171214 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        790.0 | 
                        USD | 
                        20171214 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4520.0 | 
                        USD | 
                        20171212 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5230.0 | 
                        USD | 
                        20171212 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5410.0 | 
                        USD | 
                        20171211 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4970.0 | 
                        USD | 
                        20171201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5410.0 | 
                        USD | 
                        20171201 |