Chainqui Construction Development Co., Ltd., together with its subsidiaries, engages in the construction, sale, and leasing of residential and commercial buildings in Taiwan and internationally. The company operates in two segments, Real Estate Transaction Group and Construction Group. It is also involved in the provision of mansion management, security, and investing services; and operation of supermarkets. The company was formerly known as Chain Qui Development Co. Ltd. Chainqui Construction Development Co., Ltd. was founded in 1972 and is headquartered in New Taipei City, Taiwan.