| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 4300.0 | USD | 20170801 | 
                    
                        |  | China national standards | MT | 4240.0 | USD | 20170801 | 
                    
                        |  | China national standards | MT | 640.0 | USD | 20170801 | 
                    
                        |  | China national standards | MT | 4160.0 | USD | 20170801 | 
                    
                        |  | China national standards | MT | 620.0 | USD | 20170801 | 
                    
                        |  | China national standards | MT | 630.0 | USD | 20170801 | 
                    
                        |  | China national standards | MT | 3740.0 | USD | 20170723 | 
                    
                        |  | China national standards | MT | 4270.0 | USD | 20170723 | 
                    
                        |  | China national standards | MT | 3740.0 | USD | 20170722 | 
                    
                        |  | China national standards | MT | 630.0 | USD | 20170721 |