Reliable. According to Qichacha, Tianjin Hedinas Group has six wholly-owned subsidiaries, has registered trademarks, and has obtained certification from the industrial and commercial department. Therefore, Tianjin Hedinas Group is a reliable company. Tianjin Herdinas Group is located in Yintai Building, Hongqiao District, Tianjin. It is an Internet health industry chain integrating product research and development, production, sales, education and training, and technical support.