| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        410.0 | 
                        USD | 
                        20200312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        630.0 | 
                        USD | 
                        20200312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7010.0 | 
                        USD | 
                        20200311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4380.0 | 
                        USD | 
                        20200311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8510.0 | 
                        USD | 
                        20200311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        620.0 | 
                        USD | 
                        20200311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        630.0 | 
                        USD | 
                        20200311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3080.0 | 
                        USD | 
                        20200310 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1070.0 | 
                        USD | 
                        20200310 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        400.0 | 
                        USD | 
                        20200301 |