| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 1600.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 190.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 310.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 180.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 240.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 310.0 | USD | 20180101 | 
                    
                        |  | China national standards | MT | 1200.0 | USD | 20171223 | 
                    
                        |  | China national standards | MT | 640.0 | USD | 20171222 |