| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1530.0 | USD | 20190411 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190410 | 
                    
                        |  | China national standards | MT | 1090.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 3700.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190401 | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20190401 |