| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 780.0 | USD | 20170518 | 
                    
                        |  | China national standards | MT | 2220.0 | USD | 20170518 | 
                    
                        |  | China national standards | MT | 1950.0 | USD | 20170517 | 
                    
                        |  | China national standards | MT | 5330.0 | USD | 20170517 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20170516 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20170515 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20170512 | 
                    
                        |  | China national standards | MT | 2370.0 | USD | 20170511 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20170510 | 
                    
                        |  | China national standards | MT | 1940.0 | USD | 20170501 |