Mr. Joost J. Brasz, an American national, has been the company's technical consultant since March 2008 and the company's contract engineer since October 2009. Mr. Brasz holds a bachelor's degree in mathematics and physics from the Vrije Universiteit Amsterdam and a nuclear engineering degree. Master in Physics, Ph.D. in Technical Physics from Eindhoven University. From 1974 to 1980, he worked as a research engineer at TNO Company in the Netherlands. From 1980 to 2008, he served as senior engineer, project manager, engineering researcher, and centrifuge chief engineer at Carrier Company in the United States. Since 2008, he has been the manager of the Gas Thermodynamic Technology Department of the Advanced Technology Group of Danfoss Turbocor Compressor Company. Dr. Brasz holds 29 U.S. invention patents, 9 of which are related to Rankine cycle system technology. He is in the fields of applied engineering thermodynamics and turbine machinery. *** Published more than 40 papers. In 1993, he became the first "Carrier Engineering Researcher" of Carrier Corporation in the United States. In 1995, he won the New York State Innovation and EPA Award for centrifuge design. In 2007, he won the "Ramp; D 100 Award" award. Dr. Brasz is responsible for the technical research and development of centrifugal compressors. Centrifugal compressors are an important product for the company to enter the field of high-power, large-displacement air compressors and high-power, large-capacity central air-conditioning fields. They fill the company's product gaps and are the company's key products. One of the main performance growth points in the future is also an important part of the company's product series. After verification, the sponsor believes that Dr. Brasz mainly develops centrifugal compressors for the company and is an important member of the company's international R&D team.