China, Hongkong. According to the inquiry of Haima Rice official website, Haima Ziyue mattress is produced in Hongkong, China, and is the product of Haima Rice. Haima Automobile Rice Haima Automobile was founded on 20 10. Its products are mainly soft beds and mattresses, advocate healthy sleep, everyone is equal, focus on healthy sleep research, respect ergonomic principles, and constantly develop and produce products that meet ergonomic principles and different sleep needs for consumers.