The registration address of loong science and technology park in lolong district, loyang city, henan province, is 275 m. E. L. (in the loyang precision plant co. Ltd. Plant) and is the market supervision authority for lolong district in loyang city. The legal person is represented by wang yanan and operates in the design of research and development of drainage, water treatment, direct drinking water, heating equipment; technical services in the field of physical networking; software development; development of new materials technology; distribution of drainage equipment and spare parts, water treatment equipment and accessories, refrigeration heating equipment, electrical and electrical equipment, plumbing, electrical equipment, instrumentation, heater water, solar energy equipment, ventilation equipment, environmental protection equipment, distribution, installation and technical services for disinfection equipment; the sale of temperature-resistant materials, water-resistant materials, water treatment agents (without dangerous chemicals); rental of vehicles, mechanical equipment (without financial leasing); and import and export of goods and technology。