... transmission,good weather ,fire resistance,easy for drilling and installution . Polycarbonate corrugated roofing sheet of WEIERSHA manufacted ... under the most advanced technology and equipments,adopting polycarbonate resin as main raw materials, ... corrugated sheet • Roofing/wall of agricultrure greenhouse,garden,plant and cultivate;• Roofing/wall of station,yard,airport,bus ...