A very successful horizontal sliding system in China and other Asian countries. 3 frames are available from 1 system to meet various demands. Slope rebate of frame assist to drain out water quickly. Co–extruded sash and glazing bead with lips makes the tight sealant and easy-working on assembly. Provision of mosquito net either interior or exterior. System comprises of both window and door sash making the system more economic. Lead free – Calcium-Zinc formulation.