China, North Korea mark 75 years of diplomatic ties, vow closer cooperation
• Zhao Leji and Choe Ryong Hae attended opening ceremony of "China-DPRK Friendship Year" in Pyongyang • Event marks 75th anniversary of diplomatic ties between China and DPRK • Zhao said China ready to promote exchanges and cooperation with DPRK • Choe said DPRK willing to strengthen friendship bonds and cooperation with China • Countries signed agreements in areas like visas, literature, customs, media, postal services