Changyi has a strong professional R&D team. Our R&D department is experienced in theoretical knowledge and R&D, which is divided in electronics, electrical, software, and structure group, etc. Facing the rapidly growing technological innovation, Changyi R&D team insists on the independent research with innovation ideas, learns from the top scientific research achievements around the world, so as to make a great breakthrough in tail gate lift R&D. And, we have launched a series of high-end products so far.