Sina was spun off from MEMSIC in 2107. The company was founded in 1999 by Dr. Zhao Yang, CEO of Xinna. It has been devoted to the design and production of advanced MEMS sensors. It was also the world ’s first MEMS sensor company listed in the United States. Fang has managed more than $ 20 billion in IDG capital.

        Xinna's products are built on the accumulation of 20 years of technology and innovation in the US and Singapore. MEMSIC 3D electronic compass based on magnetoresistive film has been installed in 600 million mobile phones. In addition, Meixin's inertial navigation system (INS) has been used by more than 600 types of aircraft in the United States, and more than 100,000 IMUs are installed on various industrial and precision agricultural equipment in Europe and the United States.