| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20170514 | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20170511 | 
                    
                        |  | China national standards | MT | 1150.0 | USD | 20170510 | 
                    
                        |  | China national standards | MT | 310.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 7880.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 1020.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 20.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 150.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 40.0 | USD | 20170501 |