Shenzhen Longgang Liren Education Training Center is not a correspondence course. According to the information from official website of Shenzhen Education Bureau, Liren Education and Training Center in Longgang District of Shenzhen is a non-academic education institution, which mainly provides education and training services in vocational skills training, quality education and language training. This institution does not provide correspondence education services, and the main forms of education are classroom teaching and online learning.