... carbon felt, graphite felt, rigid graphite board, vacuum thermal chamber, Hot Zone and CFC for Vacuum Furnace, High Temperature Sintering Furnace, ... China visit our factories.Producing graphite felt, rigid graphite board and CFC, Heat Insulation Materials Using in Vacuum Furnace, inert ... 8893753Cell:+86-150-0250-7210 Mr. Yan (Marketing and Sales Director)Home: http://www.HSCF-Group.com HSCF in Global- ...