 There are three mills in Bintulu that process wood @-@ waste products . Two are Medium @-@ density fibreboard ( MDF ) plants and the third is a charcoal <unk> plant , with a total installed capacity of 246 @,@ 000 cubic metres ( 8 @,@ 700 @,@ 000 cu ft ) per year . MDF plants utilise wood waste purchased from sawmills and plywood mills in the Bintulu area and occasionally from the Tanjung Manis timber processing zone located at the mouth of the Rajang River . Synthetic resins , which are required to hold wood dust together , constituted 20 % of the total production cost of the wood panel products . MDF plants in Bintulu are operated by <unk> Sarawak Sdn Bhd , which was founded on 15 February 1994 . The <unk> plant is operated by Cipta <unk> Sdn Bhd . A glue / adhesive factory in Bintulu is owned by Bintulu <unk> & Chemicals Sdn Bhd . It produces urea formaldehyde resin and phenol formaldehyde resin for plywood and chipboard manufacturing at <unk> Industrial Estate . <unk> <unk> is also produced to supply ASEAN Bintulu Fertiliser ( <unk> ) plant . 
