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China professional manufacturer(PeiGuan) of military protective barrier sand wall bunker can provide design and factory price to any government purchaser. Each unit of bastion barrier could be aggregate connected together by some cells and also could be single cell, each unit could be extented to a longer security wall by joining pins.
Defensive Barriers is one quickly built securiy bastion wall which engaged in protection against damages from mortar bomb and rockets. The popular filling material is not only the sand, earth and gravels, but also any sediments could be filled. So the defensive barrier is also called as flood barrier which acts a crucial role to control flood around the beach.