Greenland Holdings Corp., China's fourth-biggest real estate contractor by property sales, has invested CNY300 million (USD47 million) in DeepBlue Technology Co. the artificial intelligence (AI) retail tech firm backed by Alibaba Group Holding Ltd. founder Jack Ma. The pair will set up two new units for the development of robots and AI furnishings, the Shanghai-based property firm said. DeepBlue Architectural Technology Ltd. will explore Internet of Things and AI applications for buildings and furniture, while Greenland DeepBlue Robot Technology Ltd. will make automation solutions for logistics, healthcare, and education. DeepBlue Technology, backed by Jack Ma's private equity fund Yunfeng Capital, offers its AI services for unmanned Quixmart store, which allow customers to enter using facial recognition. The company offers its services to retailers for free, but under one condition that it has access to the data collected, which is then used for making improvements.