| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 360.0 | USD | 20190821 | 
                    
                        |  | China national standards | MT | 2410.0 | USD | 20190821 | 
                    
                        |  | China national standards | MT | 2460.0 | USD | 20190821 | 
                    
                        |  | China national standards | MT | 2760.0 | USD | 20190821 | 
                    
                        |  | China national standards | MT | 1830.0 | USD | 20190820 | 
                    
                        |  | China national standards | MT | 5010.0 | USD | 20190820 | 
                    
                        |  | China national standards | MT | 820.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 1840.0 | USD | 20190819 | 
                    
                        |  | China national standards | MT | 2290.0 | USD | 20190817 | 
                    
                        |  | China national standards | MT | 270.0 | USD | 20190816 |