Goldsun Building Materials Co., Ltd., together with its subsidiaries, produces and sells premixed concrete cement, and calcium silicate board in Taiwan and Mainland China. It operates through Pre-Mixed Concrete Segment in Taiwan, Pre-Mixed Concrete Segment in Mainland China, and Others segments. The company also constructs civil and architectural construction projects; provides international trading, warehousing, shipping, and tally packaging, as well as interior decoration and leisure frame management services; and imports cement. In addition, it rents real estate properties; operates hotels, and sells building materials. The company was formerly known as Goldsun Constructions Co., Ltd. Goldsun Building Materials Co., Ltd. was incorporated in 1954 and is headquartered in Taipei, Taiwan.