Group 1 - The economic exchange between China and North Korea is becoming increasingly active, with trade volume growing over 30% year-on-year from January to June this year [1] - China's exports to North Korea increased by over 30% to $1.05 billion, while imports from North Korea rose by over 20% to $210 million in the first half of the year [1] - There are plans to restore international passenger train services between the capitals of both countries to encourage tourism and business travel [2][3] Group 2 - Strong demand for indoor building materials has been noted in China's exports [2] - The North Korean National Tourism Administration has updated its website to include new international train schedules connecting Pyongyang and Beijing [2]