JSL Construction & Development Co., Ltd. engages in constructing, leasing, and selling commercial and residential buildings, and trading of construction materials. It operates through the following segments: Real Estate Selling, Development, Construction, and Other Divisions. The Real Estate Selling segment refers to the real estate selling operation. The Development segment is involved in the construction of public housing, commercial building development, rental and sales, real estate sales, and other business. The Construction segment undertakes civil construction engineering projects. The Other Divisions segment relates to other real estate activities. The company was founded on September 6, 1986 and is headquartered in Taipei, Taiwan.