| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3980.0 | 
                        USD | 
                        20190901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3880.0 | 
                        USD | 
                        20190901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7150.0 | 
                        USD | 
                        20190901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        28030.0 | 
                        USD | 
                        20190901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        24130.0 | 
                        USD | 
                        20190823 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2580.0 | 
                        USD | 
                        20190822 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        17750.0 | 
                        USD | 
                        20190822 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2590.0 | 
                        USD | 
                        20190816 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4340.0 | 
                        USD | 
                        20190815 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        29960.0 | 
                        USD | 
                        20190810 |