Producing various types of packaging sponge, shock-absorbing sponge, cushioning sponge, soft sponge packaging, semi-rigid packaging sponge, rigid packaging sponge, high-density packaging sponge, high-elasticity packaging sponge, high-hardness shock-absorbing sponge, colored cushioning packaging sponge, flame-retardant packaging sponge, anti-static cushioning sponge, high-temperature resistant packaging sponge; Classified by application: craft packaging sponge, instrument packaging shock-absorbing sponge, metal packaging cushioning sponge, toolbox packaging foam, various lamp packaging sponge, stationery packaging sponge, appliance packaging sponge, glass packaging foam, impact-resistant cushioning sponge, automotive shock-absorbing sponge, ceramic packaging sponge, wine bottle and box packaging sponge, bottle packaging sponge, etc.