| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 820.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 2910.0 | USD | 20200201 | 
                    
                        |  | China national standards | MT | 760.0 | USD | 20191221 | 
                    
                        |  | China national standards | MT | 630.0 | USD | 20191220 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20191220 | 
                    
                        |  | China national standards | MT | 750.0 | USD | 20191219 | 
                    
                        |  | China national standards | MT | 280.0 | USD | 20191219 | 
                    
                        |  | China national standards | MT | 110.0 | USD | 20191216 | 
                    
                        |  | China national standards | MT | 760.0 | USD | 20191215 | 
                    
                        |  | China national standards | MT | 4410.0 | USD | 20191211 |