| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 150.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 650.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 650.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 620.0 | USD | 20170822 | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20170822 | 
                    
                        |  | China national standards | MT | 650.0 | USD | 20170822 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20170821 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20170821 |