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  The military parade will be held on April 23 in Qingdao and its nearby sea and airspace.
  In addition to China, Russia, Thailand, Vietnam, India and other countries will participate in this parade, including destroyers, frigates, landing ships and other types of ships.
  We know that stainless steel pipe fittings are widely used and have a major role in ship engineering. It is believed that stainless steel pipe fittings will also play an important role in these ships.