Sun Yad Construction Co.,Ltd, together with its subsidiaries, engages in the manufacture and sale of polymer chemical raw materials in Taiwan, Vietnam, rest of Asia, and internationally. The company offers polyurethane resins, adhesives, surface treatment agents, solvents, synthetic leather, and plastic leather. It is also involved in residential and building development for lease and sale; livestock and poultry breeding; trading of bulk raw material, construction materials, and apparel; sale of integrated circuit systems and security monitoring products; restaurant operations; retail sale of food groceries and beverages; manufacture and sale of connecting wires and computer cutting plotters, laser engraving machines, connectors, semi-finished plugs, signal converters, hubs, and plastic and metal accessories items. In addition, the company provides other food and beverage; interior decoration; advertising and marketing; insurance brokerage; information software; after-sales; indoor renovation/indoor decoration, and door and window installation services. Further, it engages in construction and engineering business; electronic components and restaurants businesses; operation of online social media platforms and product sales investment; manufacturing of food additives; and sale of connecting wires, signal converters, and plastic and metal accessories items. The company was founded in 1968 and is based in Tainan City, Taiwan.