Established: Since 1987 named Shanghai Nanqiao Transformers Co., Ltd, then changed name SEC on 2019 at Shanghai. Registered Capital: 16,700,000 USD Annual Sales: About 140,000,000 USD Annual Production Capacity: 50,000 MVA Manufacturing Facilties: Zhangjiagang city, workshop Plant Area: 42,660 m2 Work Force: 350 total employees Main Costumers: China power grid, Teste Power Co., LTD, Jiangsu Delong nickel industry, Hercules Aluminum, Shanxi Liheng Iron and Steel Group etc.