| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3090.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        21670.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        18780.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3090.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2300.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        16200.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        30150.0 | 
                        USD | 
                        20191201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4530.0 | 
                        USD | 
                        20191123 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        5010.0 | 
                        USD | 
                        20191123 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6580.0 | 
                        USD | 
                        20191123 |