| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3330.0 | USD | 20181001 | 
                    
                        |  | China national standards | MT | 310.0 | USD | 20181001 | 
                    
                        |  | China national standards | MT | 2100.0 | USD | 20181001 | 
                    
                        |  | China national standards | MT | 2670.0 | USD | 20181001 | 
                    
                        |  | China national standards | MT | 2590.0 | USD | 20180923 | 
                    
                        |  | China national standards | MT | 380.0 | USD | 20180922 | 
                    
                        |  | China national standards | MT | 2580.0 | USD | 20180920 | 
                    
                        |  | China national standards | MT | 300.0 | USD | 20180920 | 
                    
                        |  | China national standards | MT | 2580.0 | USD | 20180920 | 
                    
                        |  | China national standards | MT | 2360.0 | USD | 20180919 |