| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        34450.0 | 
                        USD | 
                        20200515 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4860.0 | 
                        USD | 
                        20200515 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3930.0 | 
                        USD | 
                        20200515 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        230.0 | 
                        USD | 
                        20200513 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        34250.0 | 
                        USD | 
                        20200512 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        27700.0 | 
                        USD | 
                        20200512 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        33750.0 | 
                        USD | 
                        20200512 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4940.0 | 
                        USD | 
                        20200512 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        34820.0 | 
                        USD | 
                        20200511 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        34010.0 | 
                        USD | 
                        20200510 |