It is a national high-tech enterprise, with 4 large factories, equipped with more than 40 production lines such as water pumps, air pumps, filters, aquariums, flower ponds and pet supplies. Risheng has 27 years of experience in R&D, production and sales of aquarium products, and in 2007, Nissen was a national aquarium standard setting enterprise in China, and has a laboratory accredited by China National Accreditation Service for Conformity Assessment (CNAS). So far, Risheng has obtained more than 200 patents and has been awarded the title of China Patent Outstanding Enterprise by the State Intellectual Property Office of China.