CHANGCHENG.CHANGCHENG is a large-scale professional manufacturer of power transmission and transformation equipment established in 1989 and headquartered in Tianshui City, Gansu Province. Its technological heritage dates back over fifty years. The company specializes in the R&D, manufacturing, and servicing of 0.4-126kV high, medium, and low-voltage switchgear assemblies and components. With total assets reaching 1.7 billion yuan, it employs over 1,400 staff members, including more than 400 professional technicians. With robust independent R&D capabilities and modern production facilities, the company produces 10,000 medium-voltage switchgear panels and 10,000 circuit breakers annually. Its product portfolio encompasses high-, medium-, and low-voltage switchgear as well as automation devices. Committed to revitalizing China's equipment manufacturing industry, CHANGCHENG strives to become a world-class integrated power system service provider.