| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20180113 | 
                    
                        |  | China national standards | MT | 1220.0 | USD | 20180111 | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20180110 | 
                    
                        |  | China national standards | MT | 1230.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 1600.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 190.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 310.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20180101 |