| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1000.0 | USD | 20190113 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20190111 | 
                    
                        |  | China national standards | MT | 1030.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 1030.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 1470.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 990.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 140.0 | USD | 20190101 |