| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1160.0 | USD | 20171201 | 
                    
                        |  | China national standards | MT | 1140.0 | USD | 20171201 | 
                    
                        |  | China national standards | MT | 800.0 | USD | 20171122 | 
                    
                        |  | China national standards | MT | 800.0 | USD | 20171121 | 
                    
                        |  | China national standards | MT | 1140.0 | USD | 20171120 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20171118 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20171118 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20171116 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20171115 | 
                    
                        |  | China national standards | MT | 1130.0 | USD | 20171115 |