| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1150.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 7010.0 | USD | 20170901 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 1310.0 | USD | 20170823 | 
                    
                        |  | China national standards | MT | 6790.0 | USD | 20170822 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20170821 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20170821 | 
                    
                        |  | China national standards | MT | 7780.0 | USD | 20170820 | 
                    
                        |  | China national standards | MT | 1010.0 | USD | 20170819 |