| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 3740.0 | USD | 20191222 | 
                    
                        |  | China national standards | MT | 3760.0 | USD | 20191221 | 
                    
                        |  | China national standards | MT | 3750.0 | USD | 20191221 | 
                    
                        |  | China national standards | MT | 3940.0 | USD | 20191221 | 
                    
                        |  | China national standards | MT | 550.0 | USD | 20191218 | 
                    
                        |  | China national standards | MT | 610.0 | USD | 20191218 | 
                    
                        |  | China national standards | MT | 580.0 | USD | 20191218 | 
                    
                        |  | China national standards | MT | 590.0 | USD | 20191218 | 
                    
                        |  | China national standards | MT | 540.0 | USD | 20191218 | 
                    
                        |  | China national standards | MT | 4060.0 | USD | 20191217 |