| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 22290.0 | USD | 20170701 | 
                    
                        |  | China national standards | MT | 17710.0 | USD | 20170701 | 
                    
                        |  | China national standards | MT | 22140.0 | USD | 20170622 | 
                    
                        |  | China national standards | MT | 164990.02 | USD | 20170621 | 
                    
                        |  | China national standards | MT | 24070.0 | USD | 20170620 | 
                    
                        |  | China national standards | MT | 152470.0 | USD | 20170619 | 
                    
                        |  | China national standards | MT | 131649.98 | USD | 20170618 | 
                    
                        |  | China national standards | MT | 141789.98 | USD | 20170615 | 
                    
                        |  | China national standards | MT | 24160.0 | USD | 20170615 | 
                    
                        |  | China national standards | MT | 165820.02 | USD | 20170615 |