| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 440.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 400.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 3190.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 2520.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 2700.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 2780.0 | USD | 20190801 | 
                    
                        |  | China national standards | MT | 380.0 | USD | 20190723 | 
                    
                        |  | China national standards | MT | 2600.0 | USD | 20190722 | 
                    
                        |  | China national standards | MT | 500.0 | USD | 20190721 | 
                    
                        |  | China national standards | MT | 3210.0 | USD | 20190720 |