Changhai Hospital has been upgraded and renovated. In September last year, the project started construction. After completion, it can achieve one-stop quality services of "outpatient, inpatient, surgery, and physical examination", and become a comprehensive military diagnosis and treatment center based on the navy, radiating the military, and integrating "prevention, treatment, health care, and rehabilitation".

Zhenda Group, as the supplier of Bus duct and bridge products for the project, started in 1999 and is a modern enterprise focusing on the design, research and development, production, sales and service of Bus duct, cable bridge, distribution cabinet, seismic support and hanger products. The company's products are widely used in data communication, energy and chemical engineering, research and development and manufacturing, power grid, commercial, residential, cultural and tourism, municipal public construction, warehousing and logistics, education and treatment projects.