| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 13710.0 | USD | 20190815 | 
                    
                        |  | China national standards | MT | 11650.0 | USD | 20190813 | 
                    
                        |  | China national standards | MT | 11670.0 | USD | 20190812 | 
                    
                        |  | China national standards | MT | 13720.0 | USD | 20190812 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 1730.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 2000.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 1730.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 2000.0 | USD | 20190801 |