Deer technology was founded in beijing, china, in may 2014, and now has platforms in beijing, shenzhen, hangzhou, and chongqing to develop, develop, market and manufacture hardware, and to become the world's leading smart and defense technology company. The company, with its smart door locks at its core, provides a solution to residential security for users around the world, which is the country's high-tech enterprise, the ministry of industrial and technological technology's uniquely new "small giant" enterprise