Beijing Zhonghang Mechano-Electronics Inst. is a high-tech enterprise specialized in research, production and operation of industrial measurement instrument and the automatic testing and calibration system. The business of the company covers pressure, temperature and process signal calibrators, calibration workbench and calibration system. The researching and development base of the company is located on campus of Beijing University of Aeronautics and Astronautics. It takes full advantages of the R&D support of the university. We have professional researching group consisting of the senior experts and professors on measure and control, computer, instrument and sensors. We have established a wide joint research and development network with universities and sharing companies in other cities, and have formed the special and high level researching team. Zhonghang Mechano-electronics takes the obligation of developing national instrument industry and aims at becoming the famous instrument manufacture of the world. Meeting the need of the customers is always our start point. After 20 years of great efforts, the main technical index have been near or reached the advanced level of the world. The products of the company have been sold to over 2000 large and middle sized enterprises in the fields of petrol chemistry, electric power, metallurgy, traffic and national defense. Also, our products have been exported to many countries such as USA, Sudan, Iraq, Indonesia, etc. The products of the company have won many nationals patents and four of them have filled the blank of the state. Our company has been in the leading position in aspects of complex technical strength, whole technical level of the products, series level of the products and market share. Our products have adopted ISO9001 system since 2002. We have successively won the honor of Enterprise Respect Contract and Value Its Commitment. The main products of the company have been authorized by the managing department of the state, city, industry and ministry. Mr. Wu Anming, the founder of the enterprise, won the honor of Outstanding Representative of Chinese Enterprisers by the country. Zhonghang Mechano-electronics Institute will produce first class products with first class technique; create first class reputation with our sincere service.