| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        6530.0 | 
                        USD | 
                        20200523 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4910.0 | 
                        USD | 
                        20200523 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1640.0 | 
                        USD | 
                        20200522 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4910.0 | 
                        USD | 
                        20200522 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4830.0 | 
                        USD | 
                        20200522 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        910.0 | 
                        USD | 
                        20200522 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        34770.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4920.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4870.0 | 
                        USD | 
                        20200521 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        4930.0 | 
                        USD | 
                        20200520 |