Crude oil and liquefied natural gas are Brunei's main exports and the country's economic mainstays; petroleum products are also produced. The government is attempting to promote economic diversification; clothing is manufactured, and there are banking, tourism, and construction industries. Rice, vegetables, and fruits are grown, and chickens, water buffalo, cattle, and goats are raised. Forests are strictly protected, and timber cutting is allowed only for local use. Brunei imports machinery, transportation equipment, manufactured goods, foodstuffs, and chemicals. The main trading partners are Japan, Singapore, Malaysia, Indonesia, and South Korea.