Unpf technology ltd. (hereinafter referred to as "tp-link") is a global advanced supplier of network communications equipment. Since its establishment in 1996, tp-link has been working on local local area network connectivity and internet access for the general public, providing a comprehensive solution to the growing demand for network use for life, work and recreation, with high-quality, high-performance and high-price solutions. Tp-link products cover ethernet, wireless lan, broadband access, electrical line communications, and are significantly expanding in the areas of mobile internet terminals, intelligent homes, and cybersecurity, in addition to the main core areas of transmission, exchange, route, etc., where they exist. The company is based in shenzhen, china, and has marketing and service centres in 20 central chinese cities, such as beijing, shanghai and guangzhou, and has established direct subsidiaries or representative offices abroad in 36 countries and regions. The products have been used in 128 countries around the world and will total over 800 million products. Tp-link maintains ownership of r & d, manufacture, marketing, integration of high-quality global resources and strong synergies that keep tp-link at the forefront of industry in terms of capacity creation, technology development and product control。