Shenzhen city engineering development co. Ltd. Was established in 2000 as a professional enterprise in science and technology development, production, marketing, energy conservation, environmental protection, low-carbon high-tech water cycle economy. The company operates in the following areas: domestic water purification units, group direct water equipment design, installation, maintenance; pure water, mineral water, industrial super-purified water, design and maintenance of deion water equipment; design, installation of piped water, groundwater, surface water bathing and swimming pool water treatment; industrial wastewater, domestic sewage treatment and reuse; rainwater harvesting and utilization; supply of water treatment-related filters and bulk distribution of consumables; installation and maintenance of solar energy, air heat water engineering engineering; and technological development of a total of more than 40 products in five major series and other new environmentally friendly products. The company's technical back is the united states company hydranautics, the original producer of the anti-infilament device (oem), which was accredited by hydranautics. It also provides systematic security for its anti-infiltration systems. The national technical adviser is professor liu zheng, a member of the engineering academy and vice-president of the china aquaculture society; and the technical director is mr. Xu ping, chief representative of china and doctor of engineering, hedeen usa. The company has a group of highly qualified engineers who have long been engaged in technical research and applications in energy conservation and environmental conservation, and a group of experienced engineering technicians. High-quality products, excellent construction, and good after-sales services have created the 13-year brand of "stamps", making us one of the influential and competitive enterprises in the country's energy-saving and environmentally friendly industries. The company's products are distributed across more than 20 provinces and cities, over 300 agents, over 1,000 distributors and tens of thousands of users across the country, as well as to countries such as south-east asia and south africa. Eight patents have been awarded because of the quality of the product and the technological sophistication of the product, and have also been identified as private technology enterprises by the shenzhen city science and information agency. The aim of the company is to promote safe drinking water and promote environmental protection and health awareness for all. For the health of the user, save the money for the user, and cool the earth from the point of departure and destination of the firm