| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 2010.0 | USD | 20190723 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20190720 | 
                    
                        |  | China national standards | MT | 250.0 | USD | 20190720 | 
                    
                        |  | China national standards | MT | 1210.0 | USD | 20190717 | 
                    
                        |  | China national standards | MT | 2010.0 | USD | 20190717 | 
                    
                        |  | China national standards | MT | 8380.0 | USD | 20190714 | 
                    
                        |  | China national standards | MT | 1220.0 | USD | 20190713 | 
                    
                        |  | China national standards | MT | 250.0 | USD | 20190712 | 
                    
                        |  | China national standards | MT | 290.0 | USD | 20190701 | 
                    
                        |  | China national standards | MT | 1690.0 | USD | 20190701 |