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Aluminium Roller Shutter Door
Types For Opening Of Aluminium Roller Shutter Door 1.Pull-push type equipped with special guide rail made of aluminium alloy section , with nylon -made elbow insert,vertically pulled and pushed , easily and flexibly operated ,very compact ,which applied to installation on small vehicles and small openings. 2.Manually -operated drum type designed with torsional-spring drum , solid and practical, very compact ,with maximum rolling diameter not more than 25 cm ( The roller shutter door is l...
