Product Name: Automatic Mechanical Lock Aluminum Garage Industrial Warehouse Roller Rolling Shutter Door Model NO.: Aluminum roller shutter door Surface Finishing: Powder Coating Position: Garage Certification: TUV, ISO9001, RoHS, CE Color: Customize Special Function: Security Opening Type: With Remote Control Open Style: Rolling Type: Rolling Material: Aluminum Alloy Slats Type: 77mm, 78mm,100mm Operation Way: Electric, Manual with Electric, Remote Control Colour: White, Beige, Grey (Other Colors Customized) Drive: Tubular Motor,Outside Motor Installation Method: Inside, Outside, Middle Pricing Method: Aluminum Material+Motor+Control System Usage: Factory, Aircraft Factory Feature: Anti-Thief Lock Anti-Pinch: Resist The Resistance Rebound Lock: Elastic Lock Trademark: sunline Transport Package: Wooden Box Specification: Aluminum alloy electric door Origin: China HS Code: 76101000 Product Description Automatic mechanical lock aluminum garage industrial warehouse roller shutter door ,rolling shutterssupplier from ChinaAluminum Roller Shutters motor China Top Quality Automatic Security rolling doorSunlineindustrial roller door is adopted double layer aluminum extrusion slats and has following characters: reliable, safety, smoothly and durable. The surface is treated with special surface coating technics which can avoid color fades and easy to clean.Roller shutter Door is solid, reliable and durable, its strips is made of double-layer alloy aluminum and especial steel material, whose surface is treated with advanced processing techincs.With beautiful appearance and elegant pattern,it creates rich commercial atmosphere together with door's accouterment.Intelligent control ways:Manual,switch and remote control,simple operate and noiseless aren't the traditional door can be compare with.3 stanard color and 36 special color for you choose,the appearance water proofing,corrosion resisting,anti-oxidant,easy clean,beautiful designed and durable.Special"Auto locked device","anti-breaking device" could thftproofing,Protect the property in your home.Can match infrared monitoring device.Reliable balance system and stronger drive system match to the smooth guide rail and agile pulley creates a safety balance running operate.working principle:The door body adopts a double bottom slats structure, the bottom beam is equipped with a gravity elastic lock, the lock head automatically pops out under the gravity of the door body, and the thick guide rail is inserted. When the door is opened, the lock is automatically unlocked without gravity, and does not affect the opening of the door.