| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 270.0 | USD | 20190617 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20190617 | 
                    
                        |  | China national standards | MT | 2700.0 | USD | 20190617 | 
                    
                        |  | China national standards | MT | 390.0 | USD | 20190617 | 
                    
                        |  | China national standards | MT | 470.0 | USD | 20190616 | 
                    
                        |  | China national standards | MT | 740.0 | USD | 20190616 | 
                    
                        |  | China national standards | MT | 3250.0 | USD | 20190615 | 
                    
                        |  | China national standards | MT | 740.0 | USD | 20190614 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20190613 | 
                    
                        |  | China national standards | MT | 820.0 | USD | 20190613 |