| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        470.0 | 
                        USD | 
                        20200914 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        470.0 | 
                        USD | 
                        20200913 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        470.0 | 
                        USD | 
                        20200912 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        470.0 | 
                        USD | 
                        20200912 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3240.0 | 
                        USD | 
                        20200912 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2520.0 | 
                        USD | 
                        20200912 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3260.0 | 
                        USD | 
                        20200911 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        360.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        360.0 | 
                        USD | 
                        20200901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3230.0 | 
                        USD | 
                        20200901 |