| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        300.0 | 
                        USD | 
                        20200401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        250.0 | 
                        USD | 
                        20200401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1510.0 | 
                        USD | 
                        20200323 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1800.0 | 
                        USD | 
                        20200322 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2060.0 | 
                        USD | 
                        20200322 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3430.0 | 
                        USD | 
                        20200321 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        220.0 | 
                        USD | 
                        20200321 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        490.0 | 
                        USD | 
                        20200321 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        240.0 | 
                        USD | 
                        20200320 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1790.0 | 
                        USD | 
                        20200319 |