| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 370.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 2680.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 2510.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 1430.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 2330.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 1440.0 | USD | 20190423 | 
                    
                        |  | China national standards | MT | 570.0 | USD | 20190422 | 
                    
                        |  | China national standards | MT | 2520.0 | USD | 20190422 | 
                    
                        |  | China national standards | MT | 5140.0 | USD | 20190422 |