| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8820.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        890.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1030.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        170.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        140.0 | 
                        USD | 
                        20200217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        970.0 | 
                        USD | 
                        20200216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1260.0 | 
                        USD | 
                        20200216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        160.0 | 
                        USD | 
                        20200216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        870.0 | 
                        USD | 
                        20200215 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        990.0 | 
                        USD | 
                        20200215 |