Whether Lansheng shares belong to state-owned enterprises needs to be judged from its ownership structure and actual controller. According to public information, the controlling shareholder of Lansheng shares is Dong Hao Lansheng (Group) Co., Ltd., and the actual controller of the latter is Shanghai SASAC. Therefore, we can think that Lansheng Co., Ltd. is a company with a state-owned enterprise background, but its specific shareholding structure and control rights may change.
If you need more accurate information, I suggest you consult the latest prospectus or other official documents of Lansheng Co., Ltd. to know its latest shareholding structure and actual controller.