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Public institutions that award academic degrees, e.g. colleges and universities. 
Institutions that predominantly pursue non-profit purposes and are partly or wholly publicly funded, e.g. governmental, non-university research institutions, non-profit institutions, national laboratories.
All other, especially for-profit companies and individuals.
Chinese Customers: Please directly contact our official reseller Hongzhiwei Technology (Shanghai).
http://www.hzwtech.com/index.html