Red wheel for 61 of the Company's aluminum sliding doors 61 of the sliding doors belong protection series screen door, up and down the track configuration, no left and right borders, can not hold the lock monorail configuration, a single fan do monorail, monorail double leaf doors use a two red wheel pulley, one on each wheel design makes more smoothly sliding doors, you can adjust the position of the level of effort wheels, more practical brand: Greek Shield screens Company: Foshan City, Connaught Connaught Shield Door Shield windows and doors company, specializing in the development, production of aluminum doors and windows yarn, yarn window profiles and accessories is a collection development, production, wholesale, service as one of the high-quality corporate update products every year, product development in a more practical, more humane, more beautiful, more secure as a benchmark wholesale finished Some products semi-finished aluminum products and accessories shipped within 7 days, aluminum spot configuration, special colors can be customized Chengzhao blank area dealers, franchisees, dealers national logistics delivery, please call to discuss business and look forward to your wonderful cooperation