| Vendor | 
                        Spec | 
                        Unit | 
                        Price | 
                        Currency | 
                        Date | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        13660.0 | 
                        USD | 
                        20190315 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8290.0 | 
                        USD | 
                        20190314 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8360.0 | 
                        USD | 
                        20190313 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8280.0 | 
                        USD | 
                        20190312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        19660.0 | 
                        USD | 
                        20190312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8310.0 | 
                        USD | 
                        20190312 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        1260.0 | 
                        USD | 
                        20190311 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8330.0 | 
                        USD | 
                        20190310 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8150.0 | 
                        USD | 
                        20190310 | 
                    
                    
                         | 
                        China national standards | 
                        MT | 
                        8480.0 | 
                        USD | 
                        20190310 |