| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        420.0 | 
                        USD | 
                        20170221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2850.0 | 
                        USD | 
                        20170219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1180.0 | 
                        USD | 
                        20170219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2900.0 | 
                        USD | 
                        20170219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        390.0 | 
                        USD | 
                        20170219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        440.0 | 
                        USD | 
                        20170219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        320.0 | 
                        USD | 
                        20170217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2840.0 | 
                        USD | 
                        20170216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        430.0 | 
                        USD | 
                        20170214 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1630.0 | 
                        USD | 
                        20170213 |