We have over 200 R&D engineers, which comprise more than 40% of total employees. We have set up four R&D centers in China. In addition, we have established three joint innovation centers with Chinese top universities to transform innovative research into productive produces and solutions. So far, we had filed more than twenty patent applications in China, 80% of which are invention patents. We support mainstream international standards and contribute to the formulation of such standards, such as ONVIF, PSIA, etc.