| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20200222 | 
                    
                        |  | China national standards | MT | 3880.0 | USD | 20200221 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20200221 | 
                    
                        |  | China national standards | MT | 3530.0 | USD | 20200221 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20200219 | 
                    
                        |  | China national standards | MT | 3540.0 | USD | 20200219 | 
                    
                        |  | China national standards | MT | 3520.0 | USD | 20200218 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20200217 | 
                    
                        |  | China national standards | MT | 3740.0 | USD | 20200217 | 
                    
                        |  | China national standards | MT | 4050.0 | USD | 20200217 |