| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1790.0 | 
                        USD | 
                        20190913 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7340.0 | 
                        USD | 
                        20190910 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        51670.0 | 
                        USD | 
                        20190901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        7340.0 | 
                        USD | 
                        20190901 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1790.0 | 
                        USD | 
                        20190823 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2240.0 | 
                        USD | 
                        20190822 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2250.0 | 
                        USD | 
                        20190818 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        260.0 | 
                        USD | 
                        20190814 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        15480.0 | 
                        USD | 
                        20190814 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        260.0 | 
                        USD | 
                        20190812 |