JIZHI 105 double inner opening 180 degrees opening： 1. High light transmittance glass: Low-E glass, hollow glass or laminated glass may be selected, which has good heat insulation, thermal insulation and UV protection performance, while ensuring sufficient natural lighting. 2. Personalized appearance design: The color, shape and lines of the window frame can be customized according to the overall decoration style of the office, showing a high-end and atmospheric image. 3. Exquisite hardware accessories such as handles, hinges, locks, etc. of well-known brands are smooth to operate, sturdy and durable, which not only improves the convenience of window use, but also enhances the safety of windows. 4. High-quality aluminum alloy profiles: High-strength and high-precision aluminum alloy materials are used, which have excellent corrosion resistance and durability, ensuring the long-term stable performance of windows. 5. Advanced sealing system: Usually equipped with multiple sealing strips, such as EPDM strips, which can effectively isolate noise, dust and water vapor, and provide a quiet, clean and comfortable office environment. 6. Good ventilation performance: The carefully designed window opening method and angle can effectively promote indoor air circulation and improve the air quality of office space.