At an age when most students are occupied with examinations, university applications, and the ordinary anxieties of late adolescence, one teenager in southern China found himself leading a small technology company. He still wore his school uniform, attended classes, and prepared for higher education, yet outside school, he was negotiating with suppliers, testing drone prototypes, and trying to keep a fledgling business alive.

Enterprising youngster with a talent for technology doubles as philanthropist, learned about tools at factory where his mother worked.

At an age when most students are occupied with examinations, university applications, and the ordinary anxieties of late adolescence, one teenager in southern China found himself…