As the national rail transit network extended more, socialization and marketization are the development trends of modern rail transit maintenance target, and outsourced maintenance of equipment is currently a more popular maintenance mode in China.

The rail transit operation and maintenance provided by the company is to ensure the normal operation of system equipment and provide reliable and stable system business for the rail transit operation organization. According to maintenance procedure regulations, operating standards and operating instructions, the routine inspection and maintenance of the equipment under the jurisdiction of the commissioned authority should be well done on technical service work in maintenance, annual inspection of equipment, troubleshooting, emergency repair services, on-site support, and technical transformation. Keeping to the principle of "prevention-oriented, combination of anti-robbery", the company implements a post-responsibility system of "maintenance responsibility to people, centralized repair and unified command", with a high starting level and strict requirements, and performs quality control on the entire process of repair and maintenance to ensure project quality. Adhere to the principle of serving customers, establish the idea of quality first, carefully complete the maintenance plan, give full play to the effectiveness of the equipment, keep the equipment in right conditions, and take "technical excellence to ensure strong" as the goal of maintenance work.

The company is willing to provide operation and maintenance services for rail transit operating companies and telecommunications operators nationally, guarantee the safety of rail transit line operations, and contribute to the healthy development of rail transit in China.