| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8300.0 | 
                        USD | 
                        20190315 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8760.0 | 
                        USD | 
                        20190314 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        56120.0 | 
                        USD | 
                        20190312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        59020.0 | 
                        USD | 
                        20190310 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8480.0 | 
                        USD | 
                        20190301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        57330.0 | 
                        USD | 
                        20190301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        57330.0 | 
                        USD | 
                        20190301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8770.0 | 
                        USD | 
                        20190301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        63590.0 | 
                        USD | 
                        20190223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8470.0 | 
                        USD | 
                        20190222 |