According to China's Customs, the bilateral trade volume between China and Indonesia in 2005 reached US$16.79 billion, up by 24.6 percent, among which China's export to Indonesia was US$8.35 billion, up by 33.5 percent, while China's import from Indonesia was US$8.44 billion, up by 16.9 percent. China had a deficit of US$90 million, compared with US$970 million in 2004. Major exports from China to Indonesia included petroleum oils and oils obtained from bituminous minerals other than crude, iron and steel, machinery, electromechanical products, electrical appliances, audiovisual equipment and components thereof, automobiles and spare parts, chemicals, textile materials such as woven fabrics of cotton and filaments, alliaceous vegetables, apples and pears, etc. The major imported products of China from Indonesia included petroleum oils and oils obtained from bituminous minerals, coal and other minerals, electronic equipment and auxiliaries, electromechanical products, electric and electronic products and components thereof, organic chemicals, rubber, wood and articles of wood, paper and paperboard, palm oil and its fractions, etc.

According to the Ministry of Commerce (MOFCOM), the turnover of engineering contracts completed by the Chinese companies in Indonesia reached US$520 million in 2005, and the volume of the newly signed contracts was US$800 million. The volume of completed labour service cooperation contracts was US$7.98 million, and that of the newly signed labour service cooperation contracts was US$2.83 million. The volume of the completed designing and consulting contracts was US$2.97million and that of the newly signed contracts US$11.39million.

Approved by or registered with the MOFCOM, 14 Chinese-funded non-financial enterprises were established in Indonesia in 2005, with a total contractual investment of US$30.43 million from the Chinese parties. By the end of 2005, total number of such kind of enterprises in Indonesia reached 89, with an accumulated contractual volume of US$230 million from the Chinese parties.

According to the MOFCOM, Indonesians invested in 128 projects in China in 2005, with a contractual investment of US$630 million, up by 224.2 percent over the same period last year, and an actual utilization of US$86.78 million, down by 17 percent.