Tianjin Deyu Bio-engineering Technology Co., Ltd. is committed to the whole process of in-situ remediation of original soil in saline-alkali land, technology research and development, design, investment, construction and post-conservation of landscaping. The company has a number of patents for dredging soil improvement technology, a number of heavy salt alkali improvement demonstration areas. In order to enhance the ability of scientific and technological innovation, the company has successively conducted technical cooperation and research and development with the U.S. Koma, Nanjing Agricultural University, and the Soil Research Institute of the Chinese Academy of Sciences. It has achieved fruitful results in protecting cultivated land resources, reducing engineering costs, and saving freshwater resources, creating an ecological environment and construction of new technology models and industrial development models. Based on the Tianjin Binhai New Area, the company spans three provinces and one city in the Bohai Sea and becomes an industry expert on the original soil in situ improvement and ecological reconstruction of the saline-alkali land.