Benevolence is good. Hunan Rentong Huiguang Ophthalmology Management Group, headquartered in Xingcheng, Hunan-Lugu National High-tech Zone, is a comprehensive institution in franchise chain, which integrates Rentong Huiguang Ophthalmology Hospital, vision health management, medical equipment, culture and education. Hunan Rentong Huiguang Ophthalmology Management Group Co., Ltd. includes Hunan Rentong Huiguang Ophthalmology General Hospital Co., Ltd., Hunan Huiguang Medical Equipment Co., Ltd. and Tianaote Myopia Prevention and Treatment Institute. Beijing Good Vision Technology Development Co., Ltd. is an enterprise dedicated to eye health products. 200 1 officially put on the market, the main product is good eyesight eye patch.