North Korean leader Kim Jong-il is said to have visited factories, a solar panel plant, and a supermarket. Beijing's goal is apparently to push Kim on economic reforms.
North Korea boasted Tuesday to running 'thousands' of nuclear centrifuges, a week after launching a deadly artillery attack on South Korea, as China pressed for six-nation crisis talks.
North Korea leader Kim Jong-il confirmed his readiness to rejoin six-party talks after a visit to China last week. But the US, Japan, and South Korea want to see key steps first.