China insisted on Tuesday it was still a developing nation despite overtaking Japan as the world's second largest economy, in the face of pressure to take on a greater role in global affairs. Thirty years after opening its doors to the outside world, China has enjoyed spectacular economic growth and already claimed the titles of world's top exporter, auto market and steelmaker. After outpacing its neighbour in the second quarter, China is on course this year to officially confirm its position as world number two -- a title Japan held for 40 years -- underscoring its emergence as a global economic and political force. Advertisement: Story continues below While some analysts are predicting that China could take on the top spot from the United States within a few decades, commentators insisted...