Beijing 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 integration solutions. The company has passed and implemented ISO9001:2000 quality management system certification and GJB9001B-2009 quality management system certification. The company was founded in 2001, after more than ten years of hard work, gathered a group of related professional researchers, senior engineers, professional managers and senior technicians, with independent design and development capabilities, established a sound temperature, humidity and pressure measurement laboratory, participated in the drafting of a number of national industry standards, including automatic standard pressure generator national measurement verification regulation, gas piston pressure gauge measurement verification regulation. In 2008, more than 20 million yuan was invested to build a new production workshop and R & D office building, with a construction area of more than 5000 square meters. Relying on strong professional and technical team, advanced production equipment, perfect technological process, reliable military quality assurance system and domestic first-class test equipment production line, the company has developed and developed a number of temperature, humidity, pressure and wind measurement and testing products with independent intellectual property rights, which have reached the level of similar advanced equipment abroad in terms of accuracy, stability, uniformity, volume adaptability and work efficiency. The main products are: humidity verification box, infrared dew point meter, double pressure humidity generator, precision dew point meter, dew point generator, portable humidity generator, temperature verification tank, water three-phase bottle freezing and holding device, ventilation dry and humidity meter, electronic radiosonde detection box, precision digital thermometer, pneumatic instrument verification device, pressure sensor, solid state wind sensor, digital manometer, digital differential manometer, Automatic pressure controller, etc. Products are widely used in aviation, aerospace, military, meteorology, metrology, oil, power, medical and other industries, enjoy a high reputation. The company abides by "reliable quality and accurate data." The enterprise concept of "scientific and technological innovation, sustainable development and customer satisfaction" makes every effort to integrate the resource advantages of manpower, technology, marketing and other aspects, and consistently provide customers with satisfactory value-added services. strive to make due contributions to the promotion of technological progress in the metrology industry. At the same time, we hope that customers at home and abroad will join us in establishing extensive cooperative relations.