| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 2390.0 | USD | 20190317 | 
                    
                        |  | China national standards | MT | 1700.0 | USD | 20190316 | 
                    
                        |  | China national standards | MT | 26350.0 | USD | 20190316 | 
                    
                        |  | China national standards | MT | 2540.0 | USD | 20190314 | 
                    
                        |  | China national standards | MT | 3900.0 | USD | 20190313 | 
                    
                        |  | China national standards | MT | 2530.0 | USD | 20190313 | 
                    
                        |  | China national standards | MT | 2390.0 | USD | 20190313 | 
                    
                        |  | China national standards | MT | 55350.0 | USD | 20190312 | 
                    
                        |  | China national standards | MT | 8180.0 | USD | 20190311 | 
                    
                        |  | China national standards | MT | 1390.0 | USD | 20190311 |