Hongda Yijia book outreach work is reliable. According to the inquiry, Hongda Yijia Education Technology Co., Ltd. is a large-scale comprehensive educational science and technology institution focusing on the study guidance and research of preparation topics in junior and senior high schools, and integrating educational product research and development, publishing and educational services. It is a legally operated company with registered trademarks, industrial and commercial department certification and formal business license, easy book outreach, good working environment, social security, five insurances and one gold, and living allowance.