HONG KONG—Foxconn Technology Group said it is ready to shift production for Apple Inc. out of China if necessary, as the electronics assembler tried to assuage investors’ concerns over the U.S.-China trade conflict.

In the company’s first-ever investor meeting and conference call since going public in 1991, senior executives at Taiwan-based Foxconn sought to address investor uncertainty as it prepares for a leadership transition.

Tuesday’s...