honeycomb ceramic 1,free sample for quality check 2,10 years experience 3,delivery on time honeycomb ceramic1,free sample for quality check2,10 ... gas.Heat transfer agent: It can save 12% of energy in heat exchange.Refractory stove: Low mass/volume, fast heat conduction ... 6-150, producing different size according to customer is demands in this scope.Quadrate pore: density 150-400 pore/inch the ...