Principle: Two-track, three-track, four-track push-pull structure frameless window, multiple pieces of glass can be pushed to the sides of the balcony, but can not be rotated open.
Advantages: The maximum opening areas of the two rails, three rails and four rails are 50%, 60%, and 75%, respectively.
Disadvantages: Can not be fully opened; outdoor glass is not convenient to clean; safety factor is lower than the previous two.
Process: The installation is the simplest and the lowest cost.
Applicable balcony: only for "one" shape, "L" type balcony.
Casting,Stainless Steel,Auto Parts
Gaomi Gongji Precise Metal Co., Ltd , http://www.preccastings.com