| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        370.0 | 
                        USD | 
                        20190715 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        870.0 | 
                        USD | 
                        20190714 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2910.0 | 
                        USD | 
                        20190714 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        2280.0 | 
                        USD | 
                        20190713 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3780.0 | 
                        USD | 
                        20190713 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        91490.0 | 
                        USD | 
                        20190712 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        21150.0 | 
                        USD | 
                        20190701 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        20050.0 | 
                        USD | 
                        20190701 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        24690.0 | 
                        USD | 
                        20190701 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        15720.0 | 
                        USD | 
                        20190701 |