| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180522 | 
                    
                        |  | China national standards | MT | 720.0 | USD | 20180522 | 
                    
                        |  | China national standards | MT | 600.0 | USD | 20180522 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20180521 | 
                    
                        |  | China national standards | MT | 3810.0 | USD | 20180520 | 
                    
                        |  | China national standards | MT | 1200.0 | USD | 20180520 | 
                    
                        |  | China national standards | MT | 300.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 710.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 720.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 600.0 | USD | 20180519 |