| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3020.0 | 
                        USD | 
                        20191013 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        430.0 | 
                        USD | 
                        20191011 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2780.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        400.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        390.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2810.0 | 
                        USD | 
                        20191010 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3180.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        450.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2700.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        240.0 | 
                        USD | 
                        20191001 |