| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7190.0 | 
                        USD | 
                        20200310 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7210.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6320.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7350.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1030.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1100.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        900.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1100.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6830.0 | 
                        USD | 
                        20200223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        700.0 | 
                        USD | 
                        20200223 |