| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1260.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 230.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 1100.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20190101 | 
                    
                        |  | China national standards | MT | 530.0 | USD | 20181223 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20181223 | 
                    
                        |  | China national standards | MT | 200.0 | USD | 20181223 | 
                    
                        |  | China national standards | MT | 270.0 | USD | 20181222 |