| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8940.0 | 
                        USD | 
                        20190201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9150.0 | 
                        USD | 
                        20190201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        60350.0 | 
                        USD | 
                        20190121 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        63840.0 | 
                        USD | 
                        20190121 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9270.0 | 
                        USD | 
                        20190121 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8790.0 | 
                        USD | 
                        20190117 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9300.0 | 
                        USD | 
                        20190115 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        10780.0 | 
                        USD | 
                        20190115 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8750.0 | 
                        USD | 
                        20190113 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        73830.0 | 
                        USD | 
                        20190111 |