Dongguan city. According to Baidu map, Tan Huowang's headquarters is in Dongguan. Gu Dao Gu Dao Food Science and Technology Co., Ltd. is a comprehensive company integrating R&D, production and sales of healthy food. The company has more than 4,000 square meters of modern garden-style workshop, equipped with world-leading advanced production equipment such as low-temperature baking, physical wall-breaking grinding and infrared disinfection, clean production workshop, perfect production process and strict quality management system.