General Engineering Public Company Limited or GEL is one of the large manufacturers, that distributes, imports and installs concrete construction materials and construction chemical products, which was established in Thailand on September 14, 1962. With over 58 years of experience, GEL has always been committed to research and develop products in order to obtain product quality that meet the required standards. GEL has been certified TIS / ISO 9001: 2015 from the Management System Certification Institute of Thailand (MASCI) and the National Accreditation Council (NAC). GEL currently offers a wide variety of construction services to cover a complete range of construction works and support more expanding construction works in both public and private sectors. GEL products consist of various construction materials such as - Prestressed Concrete Piles - Spun Pile - Bored Pile - Soil Cement Column - Segment & Girder - Precast Concrete - Post-Tensioned Slab - Glassfiber Reinforced Concrete (GRC) - Construction Chemical Products