| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 360.0 | USD | 20180422 | 
                    
                        |  | China national standards | MT | 360.0 | USD | 20180420 | 
                    
                        |  | China national standards | MT | 14600.0 | USD | 20180419 | 
                    
                        |  | China national standards | MT | 14610.0 | USD | 20180418 | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20180418 | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20180418 | 
                    
                        |  | China national standards | MT | 150.0 | USD | 20180417 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20180417 | 
                    
                        |  | China national standards | MT | 150.0 | USD | 20180415 | 
                    
                        |  | China national standards | MT | 30.0 | USD | 20180415 |