| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 360.0 | USD | 20171218 | 
                    
                        |  | China national standards | MT | 2410.0 | USD | 20171217 | 
                    
                        |  | China national standards | MT | 2880.0 | USD | 20171215 | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20171214 | 
                    
                        |  | China national standards | MT | 2580.0 | USD | 20171212 | 
                    
                        |  | China national standards | MT | 2600.0 | USD | 20171212 | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20171211 | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20171211 | 
                    
                        |  | China national standards | MT | 2880.0 | USD | 20171201 | 
                    
                        |  | China national standards | MT | 2590.0 | USD | 20171201 |