| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180515 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180514 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180513 | 
                    
                        |  | China national standards | MT | 690.0 | USD | 20180512 | 
                    
                        |  | China national standards | MT | 1210.0 | USD | 20180511 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180511 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20180510 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180510 | 
                    
                        |  | China national standards | MT | 190.0 | USD | 20180501 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20180501 |