| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 5050.0 | USD | 20190301 | 
                    
                        |  | China national standards | MT | 9800.0 | USD | 20190301 | 
                    
                        |  | China national standards | MT | 5050.0 | USD | 20190301 | 
                    
                        |  | China national standards | MT | 8180.0 | USD | 20190301 | 
                    
                        |  | China national standards | MT | 1310.0 | USD | 20190219 | 
                    
                        |  | China national standards | MT | 8750.0 | USD | 20190216 | 
                    
                        |  | China national standards | MT | 7940.0 | USD | 20190215 | 
                    
                        |  | China national standards | MT | 8740.0 | USD | 20190213 | 
                    
                        |  | China national standards | MT | 8240.0 | USD | 20190213 | 
                    
                        |  | China national standards | MT | 1320.0 | USD | 20190210 |