Beijing City Guoruizhi New Technology Co., Ltd. is a high-tech enterprise specializing in pressure, temperature, humidity, wind and other measurement and testing products and providing project integrated solutions. The company has passed and implemented ISO9001:2000 quality management system certification and GJB9001 B-2009 quality management system certification. The company was established in 2001. After more than ten years of hard work, it has gathered a group of researchers, senior engineers, professional managers and senior technicians from relevant majors. It has independent design and development capabilities and has established a complete temperature, humidity and pressure measurement laboratory., participated in the drafting of a number of national industry standards, including the national measurement verification regulations for automatic standard pressure generators and the measurement verification regulations for gas piston pressure gauges. In 2008, more than 20 million yuan was invested to establish a new production workshop and R & D office building, with a building area of more than 5000 square meters. Relying on a strong professional technical team, advanced production equipment, complete process flow, reliable military quality assurance system and domestic first-class test equipment production lines, the company has developed and developed a number of temperature, humidity, pressure, and wind measurement and testing products with independent intellectual property rights., and have reached the level of similar foreign advanced equipment in terms of technical indicators such as accuracy, stability, uniformity, volume adaptability and working efficiency. The main products include: humidity verification box, infrared dew point meter, dual-pressure humidity generator, precision dew point meter, dew point generator, portable humidity generator, temperature verification tank, water triple point bottle freezing and holding device, ventilation psychrometer, electronic sonde testing box, precision digital thermometer, pneumatic instrument verification device, pressure sensor, solid-state wind sensor, digital pressure gauge, digital micro-differential pressure gauge, automatic pressure controller, etc. Products are widely used in aviation, aerospace, military, meteorology, metrology, petroleum, power, medical and other industries, and enjoy a high reputation. The company adheres to "reliable quality and accurate data. The corporate philosophy of "scientific and technological innovation, sustainable development, and customer satisfaction" is fully integrated with resource advantages in various aspects such as human resources, technology, and marketing, consistently provides customers with satisfactory and value-added services, and strives to make due contributions to promoting technological progress in the measurement industry. contribution. At the same time, we hope that domestic and foreign businessmen will join in and establish extensive cooperative relations.