| Vendor | Spec | Unit | Price | Currency | Date | 
                    
                        |  | China national standards | MT | 5200.0 | USD | 20170511 | 
                    
                        |  | China national standards | MT | 5450.0 | USD | 20170510 | 
                    
                        |  | China national standards | MT | 4950.0 | USD | 20170510 | 
                    
                        |  | China national standards | MT | 30830.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 45020.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 32590.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 34960.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 42830.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 45020.0 | USD | 20170501 | 
                    
                        |  | China national standards | MT | 36900.0 | USD | 20170501 |