| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        430.0 | 
                        USD | 
                        20191119 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        740.0 | 
                        USD | 
                        20191118 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        950.0 | 
                        USD | 
                        20191118 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4240.0 | 
                        USD | 
                        20191118 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        590.0 | 
                        USD | 
                        20191117 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3840.0 | 
                        USD | 
                        20191117 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3840.0 | 
                        USD | 
                        20191116 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        950.0 | 
                        USD | 
                        20191114 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3050.0 | 
                        USD | 
                        20191112 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5220.0 | 
                        USD | 
                        20191112 |