... appearance has strong anti-erode capacity, High density polyurethane foam increases the panel intensity and flat degree (density≥43kg ... Accessories: bracket, hinges, locks, handles roller, spring, rubber seal, and door opener14. Speed of opening: 0.1-0 ... protection designpanel thickness40/50mm are optionalhigh density of polyurethane>43kg/cubic metercertificate passedISO9001:2000,CEpuller and emergent ...