| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 2440.0 | USD | 20190701 | 
                    
                        |  | China national standards | MT | 1900.0 | USD | 20190701 | 
                    
                        |  | China national standards | MT | 3100.0 | USD | 20190623 | 
                    
                        |  | China national standards | MT | 2190.0 | USD | 20190623 | 
                    
                        |  | China national standards | MT | 480.0 | USD | 20190623 | 
                    
                        |  | China national standards | MT | 400.0 | USD | 20190622 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20190621 | 
                    
                        |  | China national standards | MT | 1830.0 | USD | 20190620 | 
                    
                        |  | China national standards | MT | 820.0 | USD | 20190618 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20190617 |