| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 2450.0 | USD | 20190901 | 
                    
                        |  | China national standards | MT | 6280.0 | USD | 20190901 | 
                    
                        |  | China national standards | MT | 4130.0 | USD | 20190901 | 
                    
                        |  | China national standards | MT | 2760.0 | USD | 20190901 | 
                    
                        |  | China national standards | MT | 2950.0 | USD | 20190823 | 
                    
                        |  | China national standards | MT | 340.0 | USD | 20190822 | 
                    
                        |  | China national standards | MT | 2720.0 | USD | 20190821 | 
                    
                        |  | China national standards | MT | 410.0 | USD | 20190820 | 
                    
                        |  | China national standards | MT | 2470.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 2690.0 | USD | 20190819 |