Product introduction of Passive internal casement aluminum window:
Passive internal casement aluminum window is a modern window product that integrates high efficiency, energy saving, environmental protection and superior performance. It is suitable for various places such as residential buildings and commercial buildings. Using advanced passive design and high-quality aluminum materials, it has excellent thermal insulation, sound insulation and safety performance, providing users with a comfortable living environment. Passive internal casement aluminum window can be opened flatly inward, reducing air penetration, ensuring stable indoor temperature and effectively saving energy. The Passive internal casement aluminum window we produce is made of high-strength aluminum, which has extremely high wind pressure resistance and safety. With professional sealing strips, it can significantly reduce external noise and provide a quiet indoor environment.

Product advantages of European style inner casement window:
1. Most of the European style inner casement window produced by our company adopt cavity structure and high-quality insulation strips, which can significantly improve the thermal insulation performance of windows and reduce energy loss.
2. The European style inner casement window produced by our company is made of high-quality corrosion-resistant aluminum alloy materials. The surface is anodized, anti-corrosion and rust-proof, and has a long service life.
3. The European style inner casement window produced by our company has passed multiple international and domestic quality certifications, and the products are the highest standards in the industry.
4. The European style inner casement window produced by our company uses environmentally friendly powder spraying technology, with smooth surface, rich colors and not easy to fade.

Why choose us?
We have a professional product R&D department that can capture the industry's advanced consulting and technology in a timely manner. The Passive aluminum window we produce meets the highest standards in the industry. Choosing the Passive aluminum window produced by our company is not only a pursuit of high-quality life, but also a comprehensive consideration of safety, energy saving and beauty. The Passive aluminum window we produce is measured, designed and provided with installation guidance by a professional installation team to ensure that the windows fit perfectly with the building. We are committed to providing high-quality products and professional services. The professional after-sales team provides all-weather technical support and services to ensure that customers have no worries.

Specific parameters of Passive internal casement aluminum window:
| Material | Aluminum,thickness 1.8mm |
| Surface treatment | Akzo Nobel Electrostatic Powder Coating |
| Heat barrier | 45.3mm, PA66GF25 |
| Glass | 5G Low-E+14Ar+5, or 5G Low-E+12Ar+5G+12Ar+5G |
| Hardware | 100kg Customized hardware + handles |
| Sealing strip | EPDM automotive grade tape |
| Frame thickness | 83mm |
| Panel thickness | 83mm |
| Open method | Inside Flat Open, Inside Open and Inverted micro ventilation |

About us:
Liaoning E-taifeng Co.,Ltd started in 1995 and has been focusing on door and window design and manufacturing for more than 20 years. In 2002, it became a member of the European Door and Window Association and obtained ISO9001 international quality system certification. The company has first-class qualifications for decoration construction and first-class qualifications for special engineering. Liaoning E-taifeng Co.,Ltd has a professional R&D and design team, with intelligent, professional, standardized, customized multi-functional, full-category door and window products and system services, bringing the ultimate enjoyment of modern life to hundreds of millions of families, and can customize Passive aluminum window to meet your needs. The Passive aluminum window we produce provides customers with the best user experience with its excellent performance and high-quality services.
