| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 730.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 1530.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 680.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 80.0 | USD | 20190422 | 
                    
                        |  | China national standards | MT | 100.0 | USD | 20190422 | 
                    
                        |  | China national standards | MT | 1530.0 | USD | 20190420 | 
                    
                        |  | China national standards | MT | 670.0 | USD | 20190420 |