KaiserTech Ltd. stockholders approved a merger transaction under which KaiserTech will become a wholly owned subsidiary of Maxxam Group Inc., which is a unit of Maxxam Inc. The transaction is expected to be completed within the next few days. The value of the deal is put at $708 million. Los Angeles-based Maxxam is engaged in forest products operations and real estate management and development. KaiserTech, through its Kaiser Aluminum & Chemical Corp. subsidiary, is one of the world’s leading producers of primary aluminum and fabricated aluminum products.