| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        420.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        40.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        480.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        40.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1300.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        60.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        70.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        30.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        30.0 | 
                        USD | 
                        20210301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        300.0 | 
                        USD | 
                        20210301 |