| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 530.0 | USD | 20190320 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20190319 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20190317 | 
                    
                        |  | China national standards | MT | 810.0 | USD | 20190317 | 
                    
                        |  | China national standards | MT | 810.0 | USD | 20190317 | 
                    
                        |  | China national standards | MT | 900.0 | USD | 20190314 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20190314 | 
                    
                        |  | China national standards | MT | 160.0 | USD | 20190313 | 
                    
                        |  | China national standards | MT | 1050.0 | USD | 20190313 | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20190301 |