According to China Customs, the bilateral trade volume between China and Mexico in 2005 reached US$7.76 billion, up by 9.2 percent, among which China's export to Mexico was US$5.54 billion, up by 11.4 percent, while China's import from Mexico was US$2.22 billion, up by 4.0 percent. China had a surplus of US$3.31 billion. China mainly exported electrical machines, electrical appliances, Audio-Visual equipment and related parts and accessories, boilers, mechanical instruments and related parts, plastics and converted articles, toys, game or sporting goods and accessories, medical instruments and apparatus, iron and steel and converted products, etc. China's major imports from Mexico included iron and steel, copper and converted products, aluminum and converted products, mechanical equipment and electrical machines and appliances, chemicals, plastics and converted articles, chemical staple fibres, ores, slag and calx, etc.

According to the Ministry of Commerce (hereinafter referred to as MOFCOM), the turnover of completed engineering contracts by Chinese companies in Mexico reached US$380 million in 2005, and the volume of the ne wly signed contracts was US$ 210 million. The volume of completed labour service cooperation contracts was US$6.69 million, and that of the newly signed labour service cooperation contracts was US$1.26 million. By the end of 2005, the accumulated turnover of engineering contracts completed by the Chinese companies in Mexico was US$900 million, with that of all the contracts signed reaching US$700 million, and the volume of the completed labour service contracts had reached US$58.96 million, with that of the total contracts signed reaching US$68.23 million.

Approved by or registered with the MOFCOM, three Chinese-funded non-financial enterprises were set up in Mexico in 2005, with a total contractual investment of US$6.45 million contributed by Chinese investors. By the end of 2005, there were accumulatively 51 Chinese-funded enterprises set up in Mexico with a total investment of US$170 million from Chinese investors.

According to the MOFCOM, Mexicans invested in 12 projects in China in 2005; with a contractual volume of US$32.70 million and an actual utilized sum of US$7.10 million. By the end of 2005, Mexico investors had accumulatively invested in 84 FDI projects in China with a contractual volume of US$130 million and an actual utilization volume of US$48.41 million.