Nankai University, adhering to the "China, service of China", the beautiful tradition, based on the "four services", focusing on the "area", the integration of the beijing-tianjin-hebei region, the free trade area and other countries and regions development strategy, making full use of the advantages of disciplines, talents and technology, efforts at the service of national and local economic and social development, in particular comprehensive services to tianjin binhai development and opening of the new areaNankai University is not only a teaching center, but also a research centerNankai University, adhering to the "China, service of China", the beautiful tradition, based on the "four services", focusing on the "area", the integration of the beijing-tianjin-hebei region, the free trade area and other countries and regions development strategy, making full use of the advantages of disciplines, talents and technology, efforts at the service of national and local economic and social development, in particular comprehensive services to tianjin binhai development and opening of the new areaHe attaches great importance to the full development of the morality, intelligence, physique, beauty and work of the students, builds the education system focused on quality "public capacity" with Nankai characteristics and explores "the classroom teaching - campus culture - social practice "three-in-one education modelThe University of Nankai attaches great importance to the full development of the morality, intelligence, physique, beauty and work of the students, builds the education system focused on quality "public capacity" with Nankai characteristics and explores "classroom-campus culture-social-social" practice "three-in-one education modelHangzhou Clean PCO Technology Co., Ltd. founded in 2003, focused on biological control work for 17 years.The unique treatment of the interior wall mirror of the sticky capture type of the Purple Butterfly series to eliminate the fly lamp uses the principle of optical reflection and divergence, effectively solves problems such as low light, low trapping rate and the small effective range in the day and the occasion of operation which has the decorative lamp. The lamp USES a special ultraviolet light and an irresistible attractive fly to attract and catch mosquitoes, flies and other parasites