Farmers examine a combine harvester at the 2014 Heilongjiang Agricultural Machinery Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, March 8, 2014. The three-day trade fair was inaugurated Friday in Harbin, attracting more than 200 agricultural machinery enterprises. Heilongjiang is among the most agriculturally mechanised provinces in China. (Xinhua/Wang Jianwei)
Two farmers drive a new tractor they have purchased at the 2014 Heilongjiang Agricultural Machinery Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, March 8, 2014. The three-day trade fair was inaugurated Friday in Harbin, attracting more than 200 agricultural machinery enterprises. Heilongjiang is among the most agriculturally mechanised provinces in China. (Xinhua/Wang Jianwei)
A farmer looks at combine harvesters at the 2014 Heilongjiang Agricultural Machinery Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, March 8, 2014. The three-day trade fair was inaugurated Friday in Harbin, attracting more than 200 agricultural machinery enterprises. Heilongjiang is among the most agriculturally mechanised provinces in China. (Xinhua/Wang Jianwei)
Farmers visit the 2014 Heilongjiang Agricultural Machinery Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, March 8, 2014. The three-day trade fair was inaugurated Friday in Harbin, attracting more than 200 agricultural machinery enterprises. Heilongjiang is among the most agriculturally mechanised provinces in China. (Xinhua/Wang Jianwei)
Guan Hongwei, a farmer, tries a new tractor at the 2014 Heilongjiang Agricultural Machinery Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, March 8, 2014. The three-day trade fair was inaugurated Friday in Harbin, attracting more than 200 agricultural machinery enterprises. Heilongjiang is among the most agriculturally mechanised provinces in China. (Xinhua/Wang Jianwei)
Farmers look at combine harvesters at the 2014 Heilongjiang Agricultural Machinery Trade Fair in Harbin, capital of northeast China's Heilongjiang Province, March 8, 2014. The three-day trade fair was inaugurated Friday in Harbin, attracting more than 200 agricultural machinery enterprises. Heilongjiang is among the most agriculturally mechanised provinces in China. (Xinhua/Wang Jianwei)