| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2640.0 | 
                        USD | 
                        20190820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        18270.0 | 
                        USD | 
                        20190820 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2690.0 | 
                        USD | 
                        20190819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2640.0 | 
                        USD | 
                        20190819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2710.0 | 
                        USD | 
                        20190819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        19810.0 | 
                        USD | 
                        20190819 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2650.0 | 
                        USD | 
                        20190815 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2660.0 | 
                        USD | 
                        20190815 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        18540.0 | 
                        USD | 
                        20190815 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8430.0 | 
                        USD | 
                        20190814 |