http://www.prancebuilding.com/blog/portfolio-item/gymnasium/

prance lay in ceiling Designed and engineered to perform in multiple commercial environments under multiple stresses, PRANCE Metal Ceiling systems allow cutting-edge technologies to be applied to the most modern or traditional designs. Every component is designed and fabricated to exacting specifications and the highest manufacturing standards.

http://www.prancebuilding.com/blog/portfolio-item/guest-room/

aluminum sliding system push-pull opening is a light and nimble operation,can easily control opening area and save more area indoor&outdoor. heat insulation,using wool strip with high sealing performance,single control point lock is elegant,safe&reliable.the function of resisting wind pressure and air permeability performance are glass Ⅰ,water tightness performance are glass Ⅱ sound insulating performance is 29dB,and coefficient of thermal conductivity is K=3.0(w/m2.k)