| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8790.0 | 
                        USD | 
                        20191222 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8790.0 | 
                        USD | 
                        20191222 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1100.0 | 
                        USD | 
                        20191221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2310.0 | 
                        USD | 
                        20191221 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4320.0 | 
                        USD | 
                        20191217 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1050.0 | 
                        USD | 
                        20191216 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        16230.0 | 
                        USD | 
                        20191215 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        30210.0 | 
                        USD | 
                        20191214 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        160.0 | 
                        USD | 
                        20191214 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        18820.0 | 
                        USD | 
                        20191213 |