KuoBrothers Corp. engages in the development, operation, and management of online e-commerce website. Its online website domain includes fish123.com.tw, food123.com.tw, buy123.com.tw, fun123.com.tw, and sales123.com.tw. Fish123 website offers fresh market products. Food123 website covers snacks and fruit products. Buy123 includes general and office merchandise. Fun123 involves in electronics and appliances. Sales123 offers women related cosmetic goods, clothing, and accessories. The company was founded on May 3, 2012 and is headquartered in Taipei, Taiwan.