China's frigate "Yantai"arrives in Qingdao, east China's Shandong Province, April 20, ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. A total of seven vessels - from countries including India, Singapore and Brunei - are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of the PLA Navy. Photo:Xinhua

Pakistan's frigate "Shamsheer" arrives in Qingdao, east China's Shandong Province, April 20, ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. A total of seven vessels - from countries including India, Singapore and Brunei - are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of the PLA Navy. Photo:Xinhua

Chinese naval officers guard Brunei's frigate, which arrives in Qingdao, east China's Shandong Province, April 20, ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. A total of seven vessels - from countries including India, Singapore and Brunei - are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of the PLA Navy. Photo:Xinhua

Brunei's frigate docks in Qingdao, east China's Shandong Province, April 20. The frigate will join a multinational marine drill involving seven countries on April 23, to mark the 65th anniversary of the founding of China's navy. Photo:Xinhua

Malaysia's frigate arrives in Qingdao, east China's Shandong Province, April 20, ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. A total of seven vessels - from countries including India, Singapore and Brunei - are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of the PLA Navy. Photo:Xinhua

A ceremony is held to welcome top naval officials from more than 20 countries in Qingdao, east China's Shandong Province, April 20. A total of seven vessels arrived on Sunday morning ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. The vessels are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of China's navy. Photo:Xinhua

A ceremony is held to welcome top naval officials from more than 20 countries in Qingdao, east China's Shandong Province, April 20. A total of seven vessels arrived on Sunday morning ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. The vessels are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of China's navy. Photo:Xinhua

A ceremony is held to welcome top naval officials from more than 20 countries in Qingdao, east China's Shandong Province, April 20. A total of seven vessels arrived on Sunday morning ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. The vessels are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of China's navy. Photo:Xinhua

Indonesia's frigate arrives in Qingdao, east China's Shandong Province, April 20, ahead of the 14th annual meeting of the Western Pacific Naval Symposium (WPNS), which the PLA's navy is expected to launch on April 22. A total of seven vessels - from countries including India, Singapore and Brunei - are set to participate in a joint drill on April 23 to celebrate the 65th anniversary of the PLA Navy. Photo:Xinhua