General Engineering Public 

General Engineering Public Company Limited (GEL.BK) operates as a key manufacturer and distributor of construction materials, catering to both the Thai domestic market and international customers. The company's business activities are organized into three main divisions: the production and supply of concrete products, the delivery of construction services, and the manufacturing and distribution of PC wire and PC strand. Their extensive product portfolio features a variety of pre-stressed concrete pile products—including square, I-shape, hollow square, spun, and corrugated concrete sheet piles—which are widely deployed in significant projects such as government facilities, state enterprises, retail centers, industrial plants, universities, airports, housing complexes, and bridge construction. GEL.BK also offers precast concrete solutions, frequently utilized in residential buildings, condominiums, factories, warehouses, large retail establishments, high-rise structures, and sports stadiums. Further offerings comprise post-tension slabs, specifically designed for car park and multi-story buildings, along with semi-finished slabs suitable for general building, factory, and bridge applications. The company additionally provides glass fiber reinforced concrete products and specialized noise barriers, which are crucial for expressways, highways, underground tunnels, power generation facilities, and industrial sites. Their range also includes advanced construction chemicals, such as non-shrink grout cement for various uses in housing, high-rise constructions, factories, and power and petrochemical plants, alongside skim coat for decorative wall finishes and tile adhesive for general floor and wall installations. Moreover, GEL.BK supplies bored piles and substantial structural components like segments and girders, which are vital for infrastructure projects including bridges, U-turns, expressways, and elevated structures. Soil cement columns are also part of their comprehensive product lineup. Established in 1962, the company's main office is located in Pathum Thani, Thailand.