General Engineering Public Co., Ltd. engages in the manufacture and sale of concrete products for construction. Its products include building materials, prestressed concrete pile products, concrete slab and wall products, fiber glass reinforced concrete product (GRC), being non-shrink cement, and in-situ precast concrete slab without beams. The company was founded by Khunying Chatchani Chatikavanij on September 14, 1962 and is headquartered in Pathumthani, Thailand.