Beijing Chenggong Mechanical Technology Research Institute is located in the Party School of Fengtai District, Beijing. It is a strong innovative enterprise integrating research, development, production and sales of wall whitewashing machine, mortar coating machine, putty coating machine and grinding machine. Since its setup in 2001, it has set up three production bases in Beijing, Hunan and Shanghai to mainly research, develop and manufacture full-automatic intelligent wall whitewashing machine, pasting machine, mortar coating machine, putty coating machine, grinding machine, excellent machining equipment, perfect technological process and advanced detection means. Excellent and advanced intelligent wall whitewashing machine is well received by vast customers. Over the years, Chenggong has concentrated on research and development of constructional engineering machinery, always stands on the front line of automatic wall whitewashing machine production technology, continuously launches new products according to market demand, offers new generation of wall whitewashing products and continuously leads automatic wall whitewashing machine to innovate. Therefore, Chenggong becomes a well-deserved strong brand in Chinese constructional engineering and automatic wall whitewashing industry. The new wall whitewashing machine researched and developed by Chenggong in 2002 as a leading product of the enterprise became very popular nationwide after market verification for several years. Through continuous innovation, research and development for over one decade, automatic wall whitewashing machine of Chenggong experienced 10 times of revolutionary improvement successively. Its products are sold well nationwide and even sold in numerous international regions including the Middle East and South Asia.