| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 380.0 | USD | 20191114 | 
                    
                        |  | China national standards | MT | 410.0 | USD | 20191114 | 
                    
                        |  | China national standards | MT | 410.0 | USD | 20191113 | 
                    
                        |  | China national standards | MT | 50.0 | USD | 20191113 | 
                    
                        |  | China national standards | MT | 2690.0 | USD | 20191112 | 
                    
                        |  | China national standards | MT | 4870.0 | USD | 20191112 | 
                    
                        |  | China national standards | MT | 410.0 | USD | 20191111 | 
                    
                        |  | China national standards | MT | 370.0 | USD | 20191101 | 
                    
                        |  | China national standards | MT | 4840.0 | USD | 20191101 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20191101 |