| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 530.0 | USD | 20200213 | 
                    
                        |  | China national standards | MT | 510.0 | USD | 20200212 | 
                    
                        |  | China national standards | MT | 3530.0 | USD | 20200212 | 
                    
                        |  | China national standards | MT | 3700.0 | USD | 20200212 | 
                    
                        |  | China national standards | MT | 3700.0 | USD | 20200211 | 
                    
                        |  | China national standards | MT | 540.0 | USD | 20200210 | 
                    
                        |  | China national standards | MT | 550.0 | USD | 20200210 | 
                    
                        |  | China national standards | MT | 520.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 520.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 4100.0 | USD | 20200201 |