Founded in 1993, the hangzhou opus is a publicly listed company that produces sanitary ablution and electrification products, covering a wide range of types, such as ablutions, bathtops, ventilation fans, etc., and has the country's largest, and asia's largest, base for the production of ablution products. As the founding father of china's health-breathing and electrical industry, starting with the development of the country's first bath-breeding, lighting and air-resorting system, opal has been working to make the best bathing products in the world; as the leader of the national standards for " bath-breathing " and " bath-top " , he has led the drafting of a number of national standards that have effectively contributed to the quality standardization process throughout the industry. At the same time, opu has won more than 150 national patents and has passed various international security certifications, and has been awarded various titles, such as "china's top 500 brand name", "chi...