| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        67030.0 | 
                        USD | 
                        20190413 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8470.0 | 
                        USD | 
                        20190413 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        67030.0 | 
                        USD | 
                        20190412 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8550.0 | 
                        USD | 
                        20190410 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        57390.0 | 
                        USD | 
                        20190401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        61800.0 | 
                        USD | 
                        20190401 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        56280.0 | 
                        USD | 
                        20190323 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8460.0 | 
                        USD | 
                        20190317 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        59080.0 | 
                        USD | 
                        20190315 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8300.0 | 
                        USD | 
                        20190315 |