| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20180322 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20180322 | 
                    
                        |  | China national standards | MT | 2050.0 | USD | 20180321 | 
                    
                        |  | China national standards | MT | 2090.0 | USD | 20180320 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20180320 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20180318 | 
                    
                        |  | China national standards | MT | 1800.0 | USD | 20180316 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20180315 | 
                    
                        |  | China national standards | MT | 2090.0 | USD | 20180313 | 
                    
                        |  | China national standards | MT | 1830.0 | USD | 20180313 |