| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7840.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7130.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6210.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6960.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1110.0 | 
                        USD | 
                        20191223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7770.0 | 
                        USD | 
                        20191222 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7740.0 | 
                        USD | 
                        20191221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        980.0 | 
                        USD | 
                        20191219 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7780.0 | 
                        USD | 
                        20191218 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7140.0 | 
                        USD | 
                        20191218 |