In the process of diversified M & A of Yinhan technology, Huayi Brothers made it clear that their M & a motive is to create a "four-wheel drive carriage", borrow from each other and save costs. The combination of cash payment and stock sale can not only prevent the interruption of cash flow, but also make the stock diluted, hardly affect the normal operation of the enterprise. However, these processes need a lot of time and money, so the performance of the company in 2015 has not been shown.