China Environmental Energy Holdings Co. , Ltd., CEE) is a comprehensive energy investment holding group based in Hong Kong, China, and facing the world, with Russia, Eastern Europe and Central Asian countries as the priority development direction. The group uses the investment philosophy of “making good use of traditional energy and developing renewable resources” to carry out international investment and cooperation in the fields of oil and gas exploration and development, electricity production and transmission, clean production, trade and engineering services, and is committed to creating value for shareholders and contributing to green development through professional team management and leading technical support.