C198 Reencounter with Tang Yun(part I)

"Are you sure that you can create a model machine for only 500,000 yuan?" Luo Chen was stunned. His words were filled with suspicion.

One had to know, this model machine was not just a normal 1: 1 model machine, but a true mobile phone that could be used normally. Normally, if he wanted to make such a phone, five hundred thousand yuan was definitely not enough