| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20181222 | 
                    
                        |  | China national standards | MT | 150.0 | USD | 20181220 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20181219 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20181217 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20181216 | 
                    
                        |  | China national standards | MT | 530.0 | USD | 20181215 | 
                    
                        |  | China national standards | MT | 1060.0 | USD | 20181214 | 
                    
                        |  | China national standards | MT | 270.0 | USD | 20181214 | 
                    
                        |  | China national standards | MT | 200.0 | USD | 20181213 | 
                    
                        |  | China national standards | MT | 150.0 | USD | 20181211 |