Production and sales of soft polyurethane foam, packaging sponge, shock-absorbing sponge, packaging foam, cushioning sponge, soft sponge packaging, semi-rigid packaging sponge, rigid packaging sponge, high-density sponge packaging, high-elasticity packaging sponge, high-hardness sponge, colored packaging cushioning sponge, flame-retardant packaging foam, 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, lamp packaging sponge, stationery packaging sponge, appliance packaging sponge, glass packaging sponge, impact-resistant cushioning sponge, automotive shock-absorbing sponge, ceramic packaging sponge, wine bottle and box packaging foam, etc.