| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 5070.0 | USD | 20190510 | 
                    
                        |  | China national standards | MT | 210.0 | USD | 20190510 | 
                    
                        |  | China national standards | MT | 320.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 430.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 2680.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 2610.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 830.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 400.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 1430.0 | USD | 20190501 | 
                    
                        |  | China national standards | MT | 120.0 | USD | 20190501 |