Beijing Investment Rail Transit Technology Holdings Co., Ltd. (formerly known as China Urban Rail Transit Technology Holdings Co., Ltd.) is an investment holding company, mainly engaged in the design, implementation, sales and maintenance of network and control system application solutions business. The company operates through five business units. The Design and implementation Department is engaged in providing services for the design and implementation of application solutions. The maintenance department is engaged in the business of providing application solution maintenance services. The software department is engaged in designing and selling application solution software. The hardware and spare parts department is engaged in the business of selling hardware and spare parts related to application solutions. The rental income department is engaged in the business of leasing civil communication transmission systems.