| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3740.0 | USD | 20170721 | 
                    
                        |  | China national standards | MT | 630.0 | USD | 20170721 | 
                    
                        |  | China national standards | MT | 600.0 | USD | 20170719 | 
                    
                        |  | China national standards | MT | 4510.0 | USD | 20170719 | 
                    
                        |  | China national standards | MT | 4260.0 | USD | 20170717 | 
                    
                        |  | China national standards | MT | 650.0 | USD | 20170716 | 
                    
                        |  | China national standards | MT | 620.0 | USD | 20170716 | 
                    
                        |  | China national standards | MT | 4420.0 | USD | 20170714 | 
                    
                        |  | China national standards | MT | 4050.0 | USD | 20170714 | 
                    
                        |  | China national standards | MT | 3720.0 | USD | 20170712 |