At Haoshi carbon fiber Co.,Ltd, we produce all of our own ... interested in carbon felt, graphite felt, rigid graphite board, vacuum thermal chamber, Hot Zone and CFC for ... visit our factories.Producing graphite felt, rigid graphite board and CFC, Heat Insulation Materials Using in Vacuum ... vanadium redox flow batteryContact Us:HaoShi Carbon Fiber Co., Ltd. (HSCF)Address:NO.94 West Road of Station ...