| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 910.0 | USD | 20180401 | 
                    
                        |  | China national standards | MT | 1080.0 | USD | 20180401 | 
                    
                        |  | China national standards | MT | 6010.0 | USD | 20180323 | 
                    
                        |  | China national standards | MT | 6530.0 | USD | 20180322 | 
                    
                        |  | China national standards | MT | 5000.0 | USD | 20180321 | 
                    
                        |  | China national standards | MT | 6800.0 | USD | 20180320 | 
                    
                        |  | China national standards | MT | 6800.0 | USD | 20180320 | 
                    
                        |  | China national standards | MT | 6790.0 | USD | 20180319 | 
                    
                        |  | China national standards | MT | 1030.0 | USD | 20180318 | 
                    
                        |  | China national standards | MT | 6000.0 | USD | 20180317 |