| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3090.0 | 
                        USD | 
                        20200312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3200.0 | 
                        USD | 
                        20200311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        22160.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        21470.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        22160.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3060.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3180.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3070.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3120.0 | 
                        USD | 
                        20200301 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        3120.0 | 
                        USD | 
                        20200301 |