Limited energy is an integrated enterprise that combines water treatment technology development and product production. It is the author member of the two standards for ultra-filter and reverse osmosis water purification machines. The company has state-of-the-art production and detection equipment in the country. Specialized producers of domestic water purification machines and units of direct drinking water. Over the years, the company has established a long-term strategic partnership with the institute of materials of the university of nakayama and the university of nakayama-change biotechnic co. Ltd., to address the current state of water quality in china, focusing on the needs of human health, and has been engaged in research and development of water treatment technologies for many years. Its exclusive water treatment technology, combined with active and mineralized water, is highly appreciated and popular with a wide range of users, and its products are patented, licensed by the ministry of health of the people's republic of china, certified by 3c and certified by the international water quality association. Iso 9001 quality system certification. Over the years, companies have gained reputation in industry with advanced technology, abundant products, good quality and good-faith services。