| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        290.0 | 
                        USD | 
                        20190122 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2490.0 | 
                        USD | 
                        20190121 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2940.0 | 
                        USD | 
                        20190121 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        430.0 | 
                        USD | 
                        20190121 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        420.0 | 
                        USD | 
                        20190120 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        300.0 | 
                        USD | 
                        20190120 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        760.0 | 
                        USD | 
                        20190119 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2840.0 | 
                        USD | 
                        20190117 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2840.0 | 
                        USD | 
                        20190117 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        760.0 | 
                        USD | 
                        20190116 |