The Sliding Window System is used if the window should not be turned or tilted for opening. Ideal solution for narrow spaces, developed for balcony, terrace and many indoor applications. Stainless steel roller track and low friction adjustable tandem rollers keep panels sliding easily for years. A very successful horizontal sliding system in China and other Asian countries 5 frames are available from 1 system to meet various demands Slope rebate of frame assists to drain out water quickly Co-extruded sash and glazing bead with lips makes the tight sealant and easy working on assembly Mosquito net could be put either interior or outside 80 to 88 mm frame profile realize transom function makeover 2.2 mm wall thickness offer attractive cost-cut Three types available: 1. Twin track systems 2. Twin track with mesh systems 3. Three track systems