| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20190201 | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20190201 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20190123 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20190122 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190122 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20190121 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20190120 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20190119 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20190119 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20190117 |