PS Construction Co Ltd is engaged in contract, planning, design and construction management of prestressed concrete construction works, Contract, planning, design and construction management of civil engineering and building construction works, Business concerning maintenance and repair of civil engineering and building structures, Manufacture and sales of prestressed concrete products, pre-cast concrete products, production and sales of their manufacturing tools and attachments, Design, manufacture, sales and leasing of machines, equipments and apparatuses for prestressed concrete construction and other construction works, Mineral mining and contracts, etc.