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Chinese Navy will hold an international maritime parade on April 23 in waters off Qingdao city, Shandong Province, to celebrate the 70th anniversary of the founding of the Chinese People's Liberation Army (PLA) Navy.On the 21st, Qingdao Dagang Terminal ushered in the busiest day of the multinational

Mobile security barrier is also called rapid deployment barrier, concertina razor mobile security barrier, razor wire mobile security barrier and anti-intrusion barrier.