Pudu Robotics has completed a C2 round of $77 million, bringing the total for this series to $155 million.
The China-based company, which develops a range of robots including delivery and reception robot KettyBot, announced a Series C round of $78 million in May.
Investment for the new round was led by Meituan, Greater Bay Area Homeland Development fund, Shenzhen Investment Holdings and Sequoia Capital China.
Pudu aims to use the funds for product development, site launches and expansion.
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KettyBot, which was launched earlier this year, offers features including customer interaction and an ad display.
FlashBot, another robot in the company’s range, is a delivery robot for buildings such as hotels.
The company says its robots are used in restaurants, hotels, supermarkets, government offices, airports, high-speed train stations and hospitals.
Felix Zhang, founder of Pudu Robotics, says: "We are on a mission to use robots to improve the efficiency of human production and living. With the most advanced technology and powerful drive for innovation, we will continue to develop practical robotics solutions that lead smart living into people's lives.”
Pudu is not the only player to attract investor attention with Keenon Robotics, which also provides delivery solutions, recently announcing $200 million in a Series D round led by SoftBank.