C274 probing

The way to test Cheng Nan is very simple, I'm willing to take out the huge sum of 15 million to test him. 15 million was definitely not a small amount of money to Cheng Nan. His monthly salary for his previous work did not exceed 10,000 yuan, and it was already past the prime of his life, so it could be said that he did not have many accomplishments. There were many people like him in Kunming