| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 4750.0 | USD | 20180522 | 
                    
                        |  | China national standards | MT | 780.0 | USD | 20180522 | 
                    
                        |  | China national standards | MT | 760.0 | USD | 20180521 | 
                    
                        |  | China national standards | MT | 6170.0 | USD | 20180521 | 
                    
                        |  | China national standards | MT | 1270.0 | USD | 20180520 | 
                    
                        |  | China national standards | MT | 800.0 | USD | 20180520 | 
                    
                        |  | China national standards | MT | 890.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 4830.0 | USD | 20180519 | 
                    
                        |  | China national standards | MT | 8000.0 | USD | 20180517 | 
                    
                        |  | China national standards | MT | 5370.0 | USD | 20180516 |