| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        16920.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        201140.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        83300.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        117450.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        124320.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        102820.0 | 
                        USD | 
                        20200201 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        84960.0 | 
                        USD | 
                        20191223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        12120.0 | 
                        USD | 
                        20191223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        14790.0 | 
                        USD | 
                        20191223 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        11130.0 | 
                        USD | 
                        20191223 |