There are 20 professional and technical personnel now, including 3 senior engineers, 7 intermediate engineers, 2 registered safety engineers, and the rest are undergraduate degrees; at present, we hire more than 130 employees. Mr. Yuan (general engineer), the technical leader, is dedicated to fine chemical production for 28 years. He has presided over more than 10 provincial and municipal scientific and technological projects, obtained 3 invention patents, 7 utility model patents, and won the third prize of Shandong Science and Technology Progress Award and The second prize of Science and Technology Progress of Tai'an City. Thus he owns rich experience in project research and development.