| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 5040.0 | USD | 20190418 | 
                    
                        |  | China national standards | MT | 480.0 | USD | 20190417 | 
                    
                        |  | China national standards | MT | 4170.0 | USD | 20190417 | 
                    
                        |  | China national standards | MT | 750.0 | USD | 20190417 | 
                    
                        |  | China national standards | MT | 620.0 | USD | 20190415 | 
                    
                        |  | China national standards | MT | 4170.0 | USD | 20190412 | 
                    
                        |  | China national standards | MT | 3200.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 2500.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 4020.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 3200.0 | USD | 20190401 |