| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 5770.0 | USD | 20180823 | 
                    
                        |  | China national standards | MT | 860.0 | USD | 20180821 | 
                    
                        |  | China national standards | MT | 5910.0 | USD | 20180819 | 
                    
                        |  | China national standards | MT | 5640.0 | USD | 20180818 | 
                    
                        |  | China national standards | MT | 5660.0 | USD | 20180816 | 
                    
                        |  | China national standards | MT | 850.0 | USD | 20180814 | 
                    
                        |  | China national standards | MT | 860.0 | USD | 20180812 | 
                    
                        |  | China national standards | MT | 880.0 | USD | 20180811 | 
                    
                        |  | China national standards | MT | 880.0 | USD | 20180811 | 
                    
                        |  | China national standards | MT | 890.0 | USD | 20180810 |