Hanoi, April 9 -- The ninth border defence friendship exchange between Vietnam and China is scheduled to take place in Vietnam's northern province of Lang Son and China's Guangxi Zhuang Autonomous Region on April 16-17. At the press conference in Hanoi on April 9, the Ministry of National Defence said that the Vietnamese delegation will be led by Minister of National Defence Phan Van Giang while the Chinese side by Minister of National Defence Dong Jun. The main activities scheduled for April 16 in China include a welcome ceremony for the Vietnamese delegation, a visit to the Youyi Guan tourism area, and visits to the smart border gate at the Youyi Guan International Border Gate, elementary school No.4 in Pingxiang city (China), and a bor...