| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        18610.0 | 
                        USD | 
                        20200216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8040.0 | 
                        USD | 
                        20200215 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5890.0 | 
                        USD | 
                        20200214 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8050.0 | 
                        USD | 
                        20200213 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        840.0 | 
                        USD | 
                        20200210 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        810.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1180.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        810.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        850.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5980.0 | 
                        USD | 
                        20200201 |