China Corundum 25X25 Cell, 150X150X150mm Honeycomb Ceramic Regenerator for Rto, Rco, Find details about China Honeycomb Monolith Ceramic, Honeycomb Ceramic Monolith Substrate from Corundum 25X25 Cell, 150X150X150mm Honeycomb Ceramic Regenerator for Rto, Rco