The Tianhua Institute of Chemical Machinery & Automation, a subsidiary of China National Chemical Equipment Corporation (CNCE),it is a key research institute under ChemChina, it was founded in 1958, is located in lanzhou, gansu province, is one of the top ten key research institutes in the former chemical and three one of science and technology system reform. The company is mainly engaged in chemical machinery, chemical engineering and equipment, materials and corrosion, the production process automatic control, on-line analysis instruments, ratioactive inspection instruments, and environmental protection technology and equipment research and development, engineering design, product manufacturing as well as its promotion and application. The company has made significant 460 items of scientific and technological achievements.Among them, grand awards won national science, national invention and national progress prize in 35, win award of provincial (municipal) level 193, 276 won the national patents, including 59 invention patents, 5 U.S. patents. With the main office building, chemical engineering, building, chemical machinery, building, testing center for integrated office, research and development, experimentation, and various professional products processing and manufacturing plants and other production facilities. In addition, the company occupies an area of 322 mu in nanjing has a large production base, with the first production workshop, auxiliary workshop, machining workshop and complex work, equipped with all kinds of large-scale chemical industry, petroleum and chemical manufacturing equipment more than 80 sets, mainly to undertake large and super large petrochemical equipment and major key equipment manufacturing, etc.