Tianjin Dagang Instrument Co., Ltd. is a specialized enterprise with over 30 years of experience in the research and development, manufacturing, sales, and technical services of flow meters. Its products are widely used in industries such as petroleum, chemical, metallurgy, coal, paper, food, and water conservancy engineering, and are indirectly exported to countries and regions such as Russia, Argentina, and Taiwan. The electromagnetic flowmeter was designated by the Geothermal Department of Tianjin Municipal Bureau of Land and Resources as a specialized flowmeter for domestic geothermal engineering in April 2006. In March 2007, our company successfully applied more than 20 sets of large-diameter electromagnetic flow meters in the national key project "Bird's Nest" of the Beijing Olympic Main Stadium, and received unanimous praise from experts. The company is located in the center of the national level Binhai New Area and the national level petrochemical base Dagang Oilfield oil production area, and has unique process testing conditions for developing petrochemical automation instruments. After more than 30 years of arduous entrepreneurship and development, the company has now formed a backbone of automated flow meters for petroleum and chemical industries, and extended to metallurgy, papermaking, food, environmental protection, and civilian diversification. Its comprehensive strength is second to none in the domestic instrumentation industry. In order to fully enhance and establish the company's technological advantages, Gangyi Company has established extensive scientific research cooperation relationships with universities and research institutes such as Tianjin University, Tianjin University of Science and Technology, Hebei University of Technology, Beijing Urban Construction Design and Research Institute, Tianjin Institute of Metrology Technology, and Dagang Oilfield Drilling and Production Institute. At the same time, a large number of well-known experts have been hired as technical consultants, enabling the company to establish a strong scientific research network and possess industry-leading research and development capabilities. In recent years, the company has attached great importance to intellectual property protection, and has applied for 15 national patents. It has won more than 10 awards, including the National Torch Plan, Tianjin Science and Technology Support Key Plan Project, National Key New Product, Tianjin Science and Technology Progress Award, Tianjin Science and Technology Innovation Award, etc., which has effectively promoted the sustainable development of the enterprise. In terms of production capacity, Gangyi Company has three standard steel structure production workshops covering an area of over 4000 square meters, with more than 30 sets of processing machine tools, 6 high-precision CNC machine tools, 21 lathes, 3 CNC milling machines, 3 planers, and complete automatic welding and argon arc welding equipment. The company has an annual production capacity of 8000 sets. We have a complete set of air flow and water flow calibration devices in terms of detection. Gangyi Company has always adhered to the quality goal of "100% product qualification rate, 100% service satisfaction rate, shaping a unified corporate image, and striving to create industry famous brand products", and has established a complete quality management system. In 2007, it successfully passed the ISO9001 quality system certification again. The company has been awarded the title of "Contract abiding and Creditworthy" unit by the Tianjin Municipal People's Government continuously from 1991 to 2007; In 2007, it became the "production, learning, and research" base of Tianjin University of Science and Technology; In the same year, it was recognized as a "municipal level technology center" by the Tianjin Municipal Economic Commission; In May 2008, the company was awarded the title of Tianjin Famous Trademark; In October 2008, it was recognized as one of the first high-tech enterprises by the Municipal Science and Technology Commission. Throughout the years, Hongyi Company has adhered to the corporate spirit of "unity, integrity, practicality, and innovation", adopted high-tech and updated manufacturing equipment, and continuously improved the overall strength and scale of the company. We take it as our responsibility to meet the current and potential needs of customers, starting from national and industry standards, carefully producing, constructing, providing excellent services, continuously improving, and pursuing excellence, ultimately building Hongyi Company into a modern group enterprise.