With a well-developed infrastructure, a free-enterprise economy, and pro-investment policies, Thailand economy is one of the most robust in Asia. Exports are the key economic driver, with exports accounting for more than two thirds of gross domestic product (GDP). Major industries include automobiles and automotive parts, financial services, electronic components, tourism, furniture, textiles, agricultural processing, beverages and tobacco. The U.S. and Japan remain its key trading partners along with China, Singapore, Hong Kong, and Malaysia. Major exports include textiles, computer and components, integrated circuits and parts, gems and jewellery, footwear. Thailand is world's third largest exporter of hard disks and integrated circuits.