| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20170821 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20170820 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20170820 | 
                    
                        |  | China national standards | MT | 70.0 | USD | 20170820 | 
                    
                        |  | China national standards | MT | 790.0 | USD | 20170819 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20170819 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20170818 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20170817 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20170817 | 
                    
                        |  | China national standards | MT | 340.0 | USD | 20170817 |