Aluminum joinery has hundreds of color and texture alternatives, water and air impermeability performance values, thermal insulation performance, acoustic insulation, static strength, fire resistance, etc. It is far ahead of its competitors in many aspects. With the quality of accessories, it can provide trouble-free service for many years. Aluminum joinery, which is generally divided into two as heat-insulated and non-heat-insulated, offers heat barrier alternatives in different widths and alternative series suitable for regional climatic conditions. High clearance needs, fire resistance, burglary security, bulletproofing, acoustic demands, etc. has special solutions in line with the needs.