Our Antenna Tower is made as per ASTM or ISO ... We have been making every effort to provide high quality Antenna Tower .One the one hand,auto-cad and prototype ... we equip our mechanical and chemical Labs with modernfacilities, so that many routine experiments, such as Bearing Stress,Preece Test, ... , can becarried out smoothly,so as to ensure that our finish products meet withthe ASTM or ISO standards.