We spend 5% of our sales on research & development, meanwhile collaborate with many universities to develop new technologies. Our research & development team is mainly responsible for improving global competitiveness in the basic raw material industry. The main ingredients of PVA sponges are hydrophilic and capillary properties. The surface of the product is composed of micropores, which makes them have high hygroscopic property, can withstand multiple cleaning, longer service life and the product can be reduced and decomposed, does not cause environmental pollution, is conducive to the reduction of waste, and contributes to the country through technological innovation to achieve import substitution and create new income.