| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 740.0 | USD | 20190515 | 
                    
                        |  | China national standards | MT | 490.0 | USD | 20190515 | 
                    
                        |  | China national standards | MT | 3330.0 | USD | 20190514 | 
                    
                        |  | China national standards | MT | 250.0 | USD | 20190513 | 
                    
                        |  | China national standards | MT | 5020.0 | USD | 20190511 | 
                    
                        |  | China national standards | MT | 5950.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 1700.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 750.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 5070.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 3380.0 | USD | 20190501 |