Chengdu Tang’s Kangning Science and Technology Development Company Limited, a comprehensive joint-stock company, which business lines include scientific research, production and trade. As one of its subsidiary enterprises, Chengdu Tang’s Kangning Special Purpose Laboratory Pure Water Facility Plant is engaged in water treatment technology R & D., production and sales of pure water and ultra-pure water equipments. Chengdu Tang’s Kangning Science and Technology Development Co., Ltd. has a strong R & D team, the exclusive water quality testing laboratory , mass production plant, modern office , full computerization of the office management and the after-sales service network system. It has always been treating the quality of products and after-sales service as its life, and obtained ISO9001: 2000 International Certification in September 2004 .It commits itself to research and develop Lab-specified water machines and the special water equipment ，which be used in medicine, electronics, chemistry, biology and food industry field. The products evidently improved the drinking water system of public places, enterprises and public institution, hotel, school and utility area.  The energy-saving and high-tech patent products  ----“ak” products  have many distinct characteristics, such as the appearance of its compact, low-cost energy, stable water quality, easy-to-use, full realization of human-computer dialogue, challenge the traditional, replace distilled water and Deion system completely , etc. It is now widely applied to various institutions of colleges and universities , scientific researches, medical care, sanitation, epidemic prevention, environmental monitoring, quality and technology supervision，pharmacy , chemistry, and  large and medium-sized enterprises. For example, it is already be used in Yuan Longping national key laboratory of Rice Gene ,Wuhan University, Sichuan University, Shandong University Northwestern Polytechnic University，Central South University, National University of Defense Technology, Hunan University，China Geology University, Nanchang University , Henan University, Shanxi University ，Chinese Academy of Sciences （Guangzhou Intestine Medicine and Health Institute ），Wuhan University of Technology, Huazhong  Normal University ，Jianghan  Oil Research Institute ,Hubei Chemical Research  Institute , All levels of Veterinary Station in Anhui  Province , All levels of Animal Husbandry Bureaus  in Henan Province , Hebei  Import and Export Inspection and Quarantine Bureau， Northwest Institute of Non-ferrous Geology ， Guangxi Subtropical Crops  Institute of the Agriculture Ministry， Guangxi Academy of Sciences ， Shanxi  Key Laboratory of the Geology and Minerals Ministry ,  All levels of Environmental Monitor Stations in Liaoning Province，All levels of Animal Husbandry Bureaus in Liaoning Province, Fujian  Blood Center ,  China Resources Snow Breweries, Zhuhai  Federal Pharmaceutical Co., Ltd., Sanya Sino-French Water Supply Company , No.230 Nuclear Industry Institute of Hunan Province, All levels of Centers for Disease Control and Environmental Sampling Stations in Sichuan Province, Hunan Academy of Agricultural Sciences, Hunan Institute of Product Quality  Inspection , All levels of Environmental Sampling Stations in Liaoning Province , etc. The“ak” products earned a high reputation in social circles.

Taiwan “ak” Ultra-pure water system has achieved humanization of control panel,  simple operation,  stable quality, low  running cost, and totally human maintenance-free  . The high-tech products have applied to diverse industries.