Telecom equipment giant has focused on core business for 28 years, says its chief

Ren Zhengfei, one of the best-known and richest tech tycoons in the world, is a modest man.

The 71-year-old founder and chief executive officer of Huawei Technologies Co Ltd was recently spotted standing in a long taxi queue at Shanghai Hongqiao International Airport, with no chauffeurs, subordinates, and bodyguards about, who would presumably befit a man of his status.