| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1680.0 | USD | 20171121 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20171120 | 
                    
                        |  | China national standards | MT | 7150.0 | USD | 20171119 | 
                    
                        |  | China national standards | MT | 3310.0 | USD | 20171116 | 
                    
                        |  | China national standards | MT | 3670.0 | USD | 20171116 | 
                    
                        |  | China national standards | MT | 2270.0 | USD | 20171113 | 
                    
                        |  | China national standards | MT | 24190.0 | USD | 20171112 | 
                    
                        |  | China national standards | MT | 1080.0 | USD | 20171112 | 
                    
                        |  | China national standards | MT | 1080.0 | USD | 20171111 | 
                    
                        |  | China national standards | MT | 350.0 | USD | 20171110 |