Suzhou Yisheng Optics does not belong to Hengtong Group. According to the query of relevant public information, Suzhou Yisheng Optical Co., Ltd. is an independent enterprise and does not belong to Hengtong Group. Suzhou Yisheng Optical and Hengtong Group have some overlap in certain business areas, but it is an independent enterprise and does not Acquired or merged by Hengtong Group, Suzhou Yisheng Optics was established in 2008. It is a high-tech enterprise specializing in the research and development, production and sales of precision optical components.