Same company. Official website shows that Everbright Technology, Everbright Water and Everbright Environment are all subsidiaries of Everbright Group, because Everbright Group is a comprehensive financial holding group, which owns banking, securities, insurance, funds, trust, futures, leasing, investment and environmental protection, cultural tourism, medicine and other industries. Everbright Water and Everbright Environment are subsidiaries of Everbright Group in the field of environmental protection, so they all belong to Everbright Group.