C1486 What an Amazing Engineer!

Ever since she got the cell phone, Sung Zhu had started to equip her family with the cell phone. This way, it was convenient for her family to contact each other. First of all, it was Xin Jinzhou and then Sung Guodong. Thinking that Xin Jinzhou's grandfather was still far away from him, she sent a cell phone to his grandfather.

When Xin Jinzhou's grandfather received the big cell phone