Recently, the research and development of hangzhou hua hui 'a vertical desuperheating system' scientific and technological achievements won the national invention patent, 'a desuperheating decompression device' won the national utility model patents, in the warm congratulations! The good news that this is the company's scientific and technological innovation is declared national invention patent of zero breakthrough for high-tech companies in 2015 national key support areas ( Valve technology) Enterprise expires forensics again laid a good foundation. 41 so far the company has a variety of patents, including one invention patent, utility model patent 20, 20 appearance patents.