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Chinese made defensive barrier anti-explosion wall is one typical security wall which is filled with sand, it can be used as temporay blockhouses, fortress, military bunkers, prewar headquarter to protect equipments and personnels. Anping PeiGuan Metal Wire Mesh Co.,Ltd is one professional manufacturer of defensive barrier/sand wall in China. The anti-explosion wall filled with sand also can be used for flood protection, storm protection, wetland restoration, homeland security projects, architectural and landscaping projects, civil engineering projects,etc.