Haycarb claims to be the world largest producer of activated carbon from coconut shell charcoal. Activated carbon is used in refining and purification.
It has plants in Sri Lanka, Thailand and Indonesia.
Managing director Ananda Hettiarachchy said in a statement that all factories were running at full capacity raw material were being imported, and local supplies were also improving.
Incorporated in 1973, Haycarb says it is the pioneer manufacturer of activated carbon in any coconut producing country.The company has marketing offices in UK, Australia and USA and sells activated carbon in standard, washed, and impregnated carbons in granular, pellet and powder form.