| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 380.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 2470.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 2820.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 360.0 | USD | 20190818 | 
                    
                        |  | China national standards | MT | 2350.0 | USD | 20190818 | 
                    
                        |  | China national standards | MT | 460.0 | USD | 20190817 | 
                    
                        |  | China national standards | MT | 430.0 | USD | 20190816 | 
                    
                        |  | China national standards | MT | 2820.0 | USD | 20190815 | 
                    
                        |  | China national standards | MT | 2640.0 | USD | 20190813 |