| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20170211 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20170201 | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20170201 | 
                    
                        |  | China national standards | MT | 50.0 | USD | 20170201 | 
                    
                        |  | China national standards | MT | 330.0 | USD | 20170123 | 
                    
                        |  | China national standards | MT | 9570.0 | USD | 20170123 | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20170122 | 
                    
                        |  | China national standards | MT | 1370.0 | USD | 20170121 | 
                    
                        |  | China national standards | MT | 470.0 | USD | 20170120 | 
                    
                        |  | China national standards | MT | 590.0 | USD | 20170119 |