| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3580.0 | 
                        USD | 
                        20200413 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        520.0 | 
                        USD | 
                        20200413 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        510.0 | 
                        USD | 
                        20200413 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20200412 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        520.0 | 
                        USD | 
                        20200412 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3570.0 | 
                        USD | 
                        20200411 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        510.0 | 
                        USD | 
                        20200411 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        520.0 | 
                        USD | 
                        20200411 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3580.0 | 
                        USD | 
                        20200410 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3670.0 | 
                        USD | 
                        20200410 |