Is it a national chain to help primary school students see?

National pupil-assisted vision chain. Puppy Vision has branches all over the country. Qinhuangdao Tong Tong vision care Service Co., Ltd. was established on July 9, 2065, with its registered address atNo. 1-A-30, Xinghua Mall, Shanhaiguan District, Qinhuangdao City, Hebei Province. The business scope includes vision care services, conference and exhibition services, business consulting services and beauty services; Biotechnology development, technical consultation and technology transfer.