water storage tank material:LLDPE,FDA approved material performace:health,slippery surface,resistant impact &UV ISO9001:2008 water storage tankmaterial:LLDPE,FDA approved material,rolling once molding.performace:health,slippery surface,resistant to impact,corrosion &UV,anti-agingsuit for water treatment,chemical industry,food ,pharmacy and other industries.ISO9001:2008 water storage tank