Producing various packaging sponges, shockproof sponges, cushioning sponges, soft sponge packaging, semi-rigid packaging sponges, rigid packaging sponges, high-density sponge packaging, high-elasticity packaging sponges, high-hardness shockproof sponges, colored cushioning packaging sponges, flame-retardant packaging sponges, anti-static cushioning sponges, high-temperature resistant packaging sponges; Classified by application: craft packaging sponges, instrument packaging shockproof sponges, metal packaging cushioning sponges, tool case packaging foam, various lighting packaging sponges, stationery packaging sponges, electrical appliance packaging sponges, glass packaging foam, anti-impact cushioning sponges, automotive shockproof sponges, ceramic packaging sponges, wine bottle and box packaging sponges, bottle packaging sponges, etc.