A worker fulfills export orders at Suzhou Porcelain Insulator Works Co in Suqian, East China's Jiangsu Province on May 7, 2026. The company specializes in manufacturing porcelain insulators, which are widely used in high-speed railways, urban rail systems, high-voltage overhead transmission lines, and power station electrical equipment. Its products are exported to Europe, North America, and Southeast Asia. Photo: VCG