| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 370.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 14380.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 170.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20180518 | 
                    
                        |  | China national standards | MT | 370.0 | USD | 20180517 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180516 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180513 | 
                    
                        |  | China national standards | MT | 60.0 | USD | 20180510 | 
                    
                        |  | China national standards | MT | 60.0 | USD | 20180501 | 
                    
                        |  | China national standards | MT | 660.0 | USD | 20180501 |