| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20191214 | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20191213 | 
                    
                        |  | China national standards | MT | 640.0 | USD | 20191212 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20191212 | 
                    
                        |  | China national standards | MT | 610.0 | USD | 20191212 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20191210 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20191210 | 
                    
                        |  | China national standards | MT | 90.0 | USD | 20191210 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20191210 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20191210 |