On December 16, 2012 Zhejiang HengHuavalve co., LTD insist on development idea of science and technology leading thefuture and knowledge is the first productive force, and signed a cooperationagreement with Mechanical automation equipment development center ofWenzhouVocational & TechnicalCollegefor ten years. On February 21, 2013, we signed a number of science andtechnology plan cooperation agreement with Wenzhou Engineering Institute. Sincecooperation with the two schools, we give full play to the strength btwenterprises and schools, let products and study workable as one, so that tomake high end relief valve products have a various research and development.