Is Kang Shiguang a liar?

no. According to the query of official website of Shanxi Kangmu Vision Technology Co., Ltd., Kangmu Vision is not a liar, but a regular company protected by official website certification law. The company was established in 222 and is located in Taiyuan City, Shanxi Province. Mainly engaged in the development and application of new optometry training technologies such as myopia, astigmatism, amblyopia, strabismus and hyperopia; R&D and sales of new products for vision protection; Optometry detection and training services.