According to the China Customs, the bilateral trade volume between China and Kazakhstan in 2005 hit US$6.81 billion, up by 51.4 percent year on year, among which China's exports to Kazakhstan amounted to US$3.9 billion, up by 76.4 percent year on year; and China's imports from Kazakhstan reached US$2.91 billion, up by 27.3 percent year on year. China had a surplus of US$990 million. China's main exports to Kazakhstan were textiles and garments, furniture, leather and leather products, plastic products, machinery and electronic products. China's major imports from Kazakhstan included copper and copper products, mineral fuel, mineral oil and its distilled products, bitumen, base metals and products thereof, precious metals and rare earth metals, etc.

According to the Ministry of Commerce of the People's Republic of China (hereinafter referred to as MOFCOM), the turnover of completed engineering contracts by the Chinese companies in Kazakhstan reached US$370 million in 2005, and the volume of the newly signed contracts was US$810 million. The volume of completed labor service cooperation contracts was US$5.92 million, and that of the newly signed labor service cooperation contracts was US$12.47 million. The turnover of completed design consultation contracts was US$17.69 million, with that of the newly signed design consultation contracts being US$18.67 million.

Approved by or registered with MOFCOM, 28 Chinese-funded non-financial enterprises were set up in Kazakhstan in 2005, with a total contractual investment of US$41.05 million from the Chinese side.

Statistics of MOFCOM show that Kazakhstan invested in 21 projects in China in 2005, with a contractual volume of US$24.05 million and an actual utilization of US$2.33 million.