... per day Characteristic:The mainly material of Polycarbonate Tripe Wall Sheet is polycarbonate with light weight, good strength, ... centers, schools, hospitals and manufacturing plants.2. Sounds sorption wall for freeways, high-speed railway and MRTS.3. Indoors swimming ... green house roofs and sidings.4. Subway exits, parking lots, garage tents, bus-stops, terminals, shopping arcades, large stadium and ...