Guizhou Zhengfang Industrial Co., Ltd. owns enterprise safety production license, energy-saving product certification, glass 3C certification, ISO9000 certification, 1 invention patent and 11 energy-saving utility model patents, and obtained the certificate of high-tech enterprise in 2015, passed the AAA enterprise credit rating of China Association of Small and Medium Commercial Enterprises in 2016. As the research unit of soft Science Research Project (Building energy-saving green Building and Energy comprehensive utilization) of the Ministry of Housing and Urban-Rural Development in 2015 science and Technology Project Plan, Zhengfang Industry has carefully created the production and installation platform of China's modern energy-saving doors and Windows and the manufacturing and deep processing platform of building energy-saving glass. The production base covers an area of 70 mu, with 7 doors and Windows production lines, 2 curtain wall production lines, 4 glass production lines; The annual design capacity of energy-saving doors and Windows production line is 800,000 square meters, the design capacity of curtain wall production line is 600,000 square meters, and the design capacity of energy-saving glass production line is 1 million square meters.