| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 910.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 3140.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 570.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 710.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 4140.0 | USD | 20171223 | 
                    
                        |  | China national standards | MT | 4450.0 | USD | 20171222 | 
                    
                        |  | China national standards | MT | 800.0 | USD | 20171220 | 
                    
                        |  | China national standards | MT | 3570.0 | USD | 20171219 | 
                    
                        |  | China national standards | MT | 5510.0 | USD | 20171218 | 
                    
                        |  | China national standards | MT | 710.0 | USD | 20171218 |