| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8210.0 | 
                        USD | 
                        20190823 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        55690.0 | 
                        USD | 
                        20190820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        260.0 | 
                        USD | 
                        20190820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        56560.0 | 
                        USD | 
                        20190820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        52840.0 | 
                        USD | 
                        20190820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1770.0 | 
                        USD | 
                        20190819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        52950.0 | 
                        USD | 
                        20190818 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        260.0 | 
                        USD | 
                        20190817 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        55910.0 | 
                        USD | 
                        20190816 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        55810.0 | 
                        USD | 
                        20190816 |