More than 50,000 people attended the opening day of the 9th annual China-Russia-Mongolia Trade & Commodities Fair in Hailar, a district of Hulubuir in the northeast of Inner Mongolia autonomous region.

The event is organized by the Hulunbuir municipal government, the autonomous region's commerce department, and the Inner Mongolia bureau of China Council for the Promotion of International Trade.

The 10-day fair with over 600 booths opened on Sunday and has attracted 300 enterprises, mostly from the three countries, but exhibitors from other countries including Nepal, the Republic of Korea and Singapore are also participating..

An international economic forum gathering decision-makers and enterprises from China, Russia and Mongolia was also held on Sunday, with the aim of exploring the development of trilateral trade.

The event was first begun caring for real estate but has now covered wider range, and become one of the country's major economic events among the three neighboring countries. Hulunbuir has seven border crossing with Russia and Mongolia, and the district of Hailar district - the location of Hulunbuir municipal government - has thus become a major international trade hub in northeast China.