| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3550.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 4410.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 1560.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 2810.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 1980.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 300.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 310.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 1970.0 | USD | 20170821 | 
                    
                        |  | China national standards | MT | 1720.0 | USD | 20170819 | 
                    
                        |  | China national standards | MT | 1720.0 | USD | 20170818 |