Beijing Hardrock Technology established its own brand of domestic door control hardware "ROCK Anhengtong" in year 2001. To push forward the process of standardization of Chinese Door Control hardware, the company is a National and Zhongguancun high and new technology enterprise integrating the design, R&D, production and sales of traditional mechanical hardware and smart hardware. In 2015, it became the first new three board listed company in the door control hardware industry in China. With high-quality products and perfect service system, it has become a strategic partner of thousands of intensive supporting suppliers of door industry and top 100 real estate companies. The company vigorously promotes the R&D and production of smart locks and smart homes, and provides customers with intelligent system solutions based on Internet of Things technology.