Beijing Huanke Environmental Protection Technology Co., Ltd. was established in 1988 and is affiliated with Beijing Environmental Protection Science Research Institute. It is a state-owned high-tech enterprise with independent legal personality. It is a high-tech and monitoring instrument research and development base of the "National Urban Environmental Pollution Control Engineering Technology Research Center" and the "National Environmental Protection Industrial Wastewater Pollution Control Engineering Technology (Beijing) Center". It is a specialized company engaged in the construction of pollution source automatic monitoring systems and has developed into a comprehensive entity for technical research, product development, production and sales, system integration, facility operation and management, and other one-stop construction services. The company's main products include ultrasonic open channel flowmeter, industrial acidity meter, online COD analyzer, online ammonia nitrogen analyzer, online total phosphorus analyzer, online particulate matter monitor, online hexavalent chromium analyzer, online ultraviolet absorption monitor, online total chromium analyzer, online heavy metal analyzer, online total nitrogen analyzer, water quality automatic sampler, pollution control facility operation recorder, pollution source water quality automatic monitoring system (public telephone network, Ethernet, GSM short message, GPRS network, wireless radio, etc.), sewage plant automatic control system and environmental online monitoring system. The product application fields cover industries such as petroleum, electronics, chemical, food, printing and dyeing, textile, steel, medicine, as well as large enterprises such as Sinopec and PetroChina. The products have been distributed in 28 provinces and municipalities directly under the central government, including Jiangsu Province, Zhejiang Province, Fujian Province, Guangdong Province, Shandong Province, as well as Beijing, Shanghai, Tianjin, etc. The company has considerable strength in computer communication, automation control, instrumentation, electronic engineering, software development, and chemical analysis. Having a vibrant and professional team that not only masters modern theories and technologies, but also has rich experience. With unremitting efforts and strict management, the company has become a unit that has won the national treasury bond bond project "special funds within the central financial budget for localization of environmental protection equipment". The company's "Demonstration Project for Production and Construction of Water Quality Automatic Monitoring System" has been included in the national environmental protection equipment localization project; The first batch received the "Environmental Protection Product Certification" issued by the China Environmental Protection Industry Association. The company has passed ISO9001: 2000 quality management system certification, obtained the qualification for operating and managing environmental pollution control facilities, and was rated as a backbone enterprise in China's environmental protection industry for two consecutive years in 2003 and 2006. In 2004, Mr. Ma Zhigang, the General Manager of the company, was awarded the "China Environmental Protection Industry (Enterprise) Development Contribution Award" by the China Environmental Protection Industry Association. The company adheres to the principle of "superior quality and excellent service, which are important links for the survival and development of enterprises", synchronizes technology with technological development, takes customer requirements as the core in engineering, and is committed to tailor-made services and solutions for customers, fully revitalizing and developing national industry, and striving to build a leading enterprise in the environmental protection industry.