... shutter garage door,slat width50mm,side tail width 70mm. AJ50 automatic Aluminum roller shutter garage door,slat width50mm,side tail width ... hardness≥10HW;Implement standard:Our products implement the enterprise standard Q/320584LBL001-2007;The method of turn on/off: Remote control ... : Suit for store,window,veranda,aisle,suitable width ≤3.5meters automatic Aluminum roller shutter garage door