IEN Hanchang Co., Ltd., which is founded in 1975, is a transformer manufacturer in South Korea. Hanchang has continually strived to be one of the global manufacturers in the transformer market, especially for the US, Canada, Australia, and Japan. Hanchang provides oil-immersed transformers including substation transformers, pad-mounted transformers, and step-up transformers for wind and solar energy. Hanchang has two manufacturing plants in South Korea and is operating Oregon Power, a local subsidiary for sales and service business. Hanchang also plans to establish plants in Ohio and Texas.