| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2630.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5060.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        15630.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        380.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        52950.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        560.0 | 
                        USD | 
                        20190801 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2500.0 | 
                        USD | 
                        20190723 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20040.0 | 
                        USD | 
                        20190722 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20470.0 | 
                        USD | 
                        20190722 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        21180.0 | 
                        USD | 
                        20190721 |