Tubkwang Quarry, Saraburi province

Tubkwang Quarry contains over 115 million tons of mineable reserves in form of ultra-high Calcium limestone, i.e. chemical-grade limestone with > 98% calcium content. Tubkwang Quarry also hosts a limestone crushing plant with annual production capacity of 3 million tons.

Kangkoi plant, Saraburi province

Kangkoi plant hosts 5 coal-fired lime kilns with total 456,250 TPY (as of January 2018), which employ technology from Switzerland and quality sub-bituminous coal as source of fuel. 
With its proximity to Tubkwang quarry and logistics advantages, the company has developed expansion plans for this site. In early 2019, the 6th lime klin shall be ready to operate and contribute another capacity of 110,000 TPY to this facility.

Prabuddhabaht plant, Saraburi province

Prabuddhabaht plant hosts two gas-fired vertical shaft kilns using German technology with annual installed production capacity of 365,000 tons. The facility also houses large silos and warehouses with grinding machines.

Rayong plant, Rayong province

Rayong plant is established to manufacture hydrated lime (Ca(OH)2), which is resultant product from mixing quicklime with a sufficient amount of water through a hydrator, to serve customers from various industries both domestically and internationally. The plant is located in Amata City Industrial Estate, which provides logistics efficiency for our international customers.