HKG:0257 China Everbright International Ltd. China Everbright Environment Group Ltd. (0257.HK) formerly China Everbright International Ltd is an investment holding company principally engaged in the energy and infrastructure-related businesses. The Enterprise operates its businesses through four segments. The Environmental Energy Project Construction and Operation segment engages in the construction and operation of waste-to-energy plants, food waste treatment projects, sludge treatment and disposal projects and others. The Greentech Project Construction and Operation segment engages in the construction and operation of integrated biomass utilisation projects and others. The Environmental Water Project Construction and Operation segment engages in the construction, upgrade and operation of waste treatment plants and other projects. The other segment engages in the conduct of environmental protection technology research and development, provision of environmental-related technological services and other businesses.