| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3410.0 | 
                        USD | 
                        20190922 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2040.0 | 
                        USD | 
                        20190921 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20190920 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        15930.0 | 
                        USD | 
                        20190920 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3820.0 | 
                        USD | 
                        20190920 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2840.0 | 
                        USD | 
                        20190918 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2840.0 | 
                        USD | 
                        20190917 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8120.0 | 
                        USD | 
                        20190917 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        14350.0 | 
                        USD | 
                        20190916 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3820.0 | 
                        USD | 
                        20190916 |