| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 160.0 | USD | 20190301 | 
                    
                        |  | China national standards | MT | 130.0 | USD | 20190301 | 
                    
                        |  | China national standards | MT | 260.0 | USD | 20190222 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20190222 | 
                    
                        |  | China national standards | MT | 540.0 | USD | 20190221 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20190221 | 
                    
                        |  | China national standards | MT | 1050.0 | USD | 20190219 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20190218 | 
                    
                        |  | China national standards | MT | 160.0 | USD | 20190218 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20190216 |