| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 4400.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 4710.0 | USD | 20170601 | 
                    
                        |  | China national standards | MT | 5210.0 | USD | 20170523 | 
                    
                        |  | China national standards | MT | 4910.0 | USD | 20170523 | 
                    
                        |  | China national standards | MT | 450.0 | USD | 20170523 | 
                    
                        |  | China national standards | MT | 730.0 | USD | 20170523 | 
                    
                        |  | China national standards | MT | 710.0 | USD | 20170522 | 
                    
                        |  | China national standards | MT | 860.0 | USD | 20170522 | 
                    
                        |  | China national standards | MT | 4940.0 | USD | 20170521 | 
                    
                        |  | China national standards | MT | 5010.0 | USD | 20170521 |