| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1010.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 1110.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 1330.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20170523 | 
                    
                        |  | China national standards | MT | 1400.0 | USD | 20170522 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20170522 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20170521 | 
                    
                        |  | China national standards | MT | 2200.0 | USD | 20170519 | 
                    
                        |  | China national standards | MT | 2190.0 | USD | 20170519 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20170519 |