| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 23590.0 | USD | 20190223 | 
                    
                        |  | China national standards | MT | 11690.0 | USD | 20190222 | 
                    
                        |  | China national standards | MT | 610.0 | USD | 20190221 | 
                    
                        |  | China national standards | MT | 3400.0 | USD | 20190220 | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20190219 | 
                    
                        |  | China national standards | MT | 70.0 | USD | 20190219 | 
                    
                        |  | China national standards | MT | 7510.0 | USD | 20190218 | 
                    
                        |  | China national standards | MT | 1690.0 | USD | 20190217 | 
                    
                        |  | China national standards | MT | 3310.0 | USD | 20190217 | 
                    
                        |  | China national standards | MT | 16020.0 | USD | 20190216 |