no longer buys raw palm oil produced from cleared forests and peat swamps in Sarawak because of environmental concerns. The Bintulu Division has been designated as a Planted Forests Zone (PFZ) by the Sarawak state government since 1998. As of 30 June 2011, a total of 124,618 hectares () has been planted with acacia trees. Other trees that are planned for plantations are kelampayan, engkabang, durian, batai, eucalyptus, and rubber trees. Sarawak Planted Forest Sdn Bhd, a company wholly owned by the Sarawak state government, has been granted a license to replant forests for 60 years. However, the company has been suffering financial losses from 2009 to 2011. There are three mills in Bintulu that process wood-waste products. Two are Medium-density fibreboard (MDF) plants and the third is a charcoal briquette plant, with a total installed capacity of 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 Daiken Sarawak Sdn Bhd, which was founded on 15 February 1994. The briquette plant is operated by Cipta Briquette Sdn Bhd. A glue/adhesive factory in Bintulu is owned by Bintulu Adhesive & Chemicals Sdn Bhd. It produces urea formaldehyde resin and phenol formaldehyde resin for plywood and chipboard manufacturing at Kemena Industrial Estate. Urea precondensate is also produced to supply ASEAN Bintulu Fertiliser plant. Others The Bintulu Port Authority was established in 1981. It started port operation in 1983 at Tanjung Kidurong. Following a privatisation exercise, Bintulu Port Sdn Bhd (BPSB) was founded on 23 December 1992 and commenced operation on 1 January 1993. BPA is currently responsible for regulatory exercises and security of the port. Meanwhile, BPSB is responsible for cargo handling at the Bintulu International Container Terminal (BICT). The port also provides Vessel traffic service to shipping vessels. The annual total cargo throughput is 45.4 million tonnes, consisting of 58% LNG and 42% non-LNG products. As of 31 December 2014, it generated a total revenue of RM552.3 million per year. Bintulu Port is the busiest port in Sarawak. The ASEAN Bintulu Fertiliser plant is the anhydrous ammonia and granular plant operated by ASEAN Bintulu Fertiliser Sdn Bhd