Our company is specialized in researching, developing and manufacturing bio-materials, listed as the key supported enterprise by Hangzhou Science Developing Department. Chitin bio-dressing is the first bio-medical product all by ourselves, more being expecting in the near future. We have established well quality-oriented managing system in every process, such as developing, manufacturing, sterilizing, delivering and selling. The well-equipped checking quality surveillance test center with precision equipment and first-class and strict examination, have greatly contributed to every product.

The company maintain "Elaborated manufacture and sincere services" business purposes, insisting on the high starting point, high standard and high qualification. We are developing with innovation, qualifying ourselves with strictness, winning our customers with sincere service and we continue developing and bringing new products and projects, providing clinics world class service. Meanwhile, the company values the most the brand building and we have forged the customers-believing brand of LongSun a steady platform of bioengineering, with superior products, reliable quality, qualified after-sale services and total customer satisfaction.