SEC Electric Machinery Co., Ltd. researches and develops, manufactures, and sells motors in China. The company offers AC motors, such as flameproof explosion, safety explosion, compact asynchronous, wound asynchronous, oil drilling, and squirrel cage asynchronous motors; medium and large-sized DC motors; synchronous motors; wind turbine, turbo, impulse, diesel, and large and medium sized hydro generators; and electrical units comprising transformers and frequency changers. It serves metallurgy, electric power, cement, petrochemical, mine, papermaking, oil drilling and production, wind power, hydro power, shipbuilding, HVAC, and testing machine industries.