| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 1700.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 1400.0 | USD | 20190323 | 
                    
                        |  | China national standards | MT | 55500.0 | USD | 20190322 | 
                    
                        |  | China national standards | MT | 17160.0 | USD | 20190322 | 
                    
                        |  | China national standards | MT | 16190.0 | USD | 20190321 | 
                    
                        |  | China national standards | MT | 1700.0 | USD | 20190320 | 
                    
                        |  | China national standards | MT | 6270.0 | USD | 20190319 | 
                    
                        |  | China national standards | MT | 11480.0 | USD | 20190319 | 
                    
                        |  | China national standards | MT | 9430.0 | USD | 20190317 |