| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        13200.0 | 
                        USD | 
                        20190920 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        9840.0 | 
                        USD | 
                        20190919 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4080.0 | 
                        USD | 
                        20190919 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4040.0 | 
                        USD | 
                        20190918 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2950.0 | 
                        USD | 
                        20190917 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        28430.0 | 
                        USD | 
                        20190917 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2960.0 | 
                        USD | 
                        20190916 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3090.0 | 
                        USD | 
                        20190916 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        18950.0 | 
                        USD | 
                        20190916 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        25030.0 | 
                        USD | 
                        20190916 |