Canghai holding Co., Ltd. is an investment holding company that mainly provides municipal landscape and municipal engineering construction services. The company consists of four main business units. The landscape construction department provides municipal and private landscape project services, including planting trees, modifying land layout, carrying out basic work of landscape construction and park construction and construction. The municipal engineering construction department is engaged in municipal or local government projects, such as municipal road construction and water and lighting projects. The construction department is engaged in the construction of gas stations, car maintenance shops, office buildings and temporary warehouses. Other construction departments provide maintenance, heritage restoration and renovation services.