Born without security, he picked up paper scraps in elementary school. In middle school, he held part-time jobs tutoring, doing homework for others, and cleaning toilets, doing anything for money.,Drove to Menchuang Street and ordered two of the thickest stainless steel doors, complete with three-bar security locks. They guaranteed that not even a sledgehammer could break them open. Installation included, it cost over six thousand yuan.,To save time, Jiang Ning measured the dimensions before going out.。