| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3390.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6730.0 | 
                        USD | 
                        20191001 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3680.0 | 
                        USD | 
                        20190923 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2540.0 | 
                        USD | 
                        20190923 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1290.0 | 
                        USD | 
                        20190923 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2540.0 | 
                        USD | 
                        20190922 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4040.0 | 
                        USD | 
                        20190921 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3590.0 | 
                        USD | 
                        20190921 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        25000.0 | 
                        USD | 
                        20190920 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        13200.0 | 
                        USD | 
                        20190920 |