Foam rubber products hi physical emaw chemical emaw foaming hmanga siam a ni a, sponge ang chi rubber porous structure products hmuh theih nan base material atan rubber hmangin siam a ni. He technology hi production industry hrang hrangah hman a ni nasa hle a, chu chu automobile door leh window seals, cushioning pads, building construction gaskets, seismic materials, sports protection facilities, etc. te a ni.