Four years. According to the data of Jingang Primary School in Yulin City, it is known that Jingang Primary School in Yulin City has been in operation for 4 years. Jingang Primary School, Yuzhou District, Yulin City, founded on 20 19, is located in Yulin City, Guangxi Zhuang Autonomous Region. The purpose of Jingang Primary School in Yuzhou District is to carry out the Party's educational principles and policies, conduct teaching research, and cultivate builders and successors of socialist modernization with all-round development in morality, intelligence, physique, beauty and labor.