| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 630.0 | USD | 20200314 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20200314 | 
                    
                        |  | China national standards | MT | 4380.0 | USD | 20200301 | 
                    
                        |  | China national standards | MT | 780.0 | USD | 20200301 | 
                    
                        |  | China national standards | MT | 750.0 | USD | 20200301 | 
                    
                        |  | China national standards | MT | 630.0 | USD | 20200301 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20200301 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20200220 | 
                    
                        |  | China national standards | MT | 640.0 | USD | 20200220 | 
                    
                        |  | China national standards | MT | 740.0 | USD | 20200220 |