| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3630.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 2420.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 3000.0 | USD | 20170517 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20170516 | 
                    
                        |  | China national standards | MT | 440.0 | USD | 20170514 | 
                    
                        |  | China national standards | MT | 440.0 | USD | 20170512 | 
                    
                        |  | China national standards | MT | 2390.0 | USD | 20170511 | 
                    
                        |  | China national standards | MT | 2990.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 1990.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 2390.0 | USD | 20170501 |