| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        790.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        520.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        410.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        160.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        410.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2990.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4540.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1500.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2660.0 | 
                        USD | 
                        20200501 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5520.0 | 
                        USD | 
                        20200501 |