High-integrity architectural windows and system solutions configured to withstand extreme weather pressures while maximizing daylight harvesting.
The architectural landscape of South Korea has undergone a rapid evolution over the past decade. With the implementation of strict green building policies, including the Korean Building Energy Efficiency Rating System and ambitious Zero-Energy Building (ZEB) mandates, commercial developers and residential home builders are moving away from traditional sliding windows toward high-performance Tilt & Turn systems.
Tilt & Turn windows offer two distinct functions: they can tilt inward from the top for secure, draft-free ventilation, or swing inward from the side like a casement door for maximum airflow and easy maintenance. This versatility is highly prized in modern high-rise apartments in Seoul, coastal projects in Busan, and commercial complexes in Songdo, where high-velocity wind loads (typhoons) and dramatic seasonal temperature swings are common physical challenges.
Engineered to handle Korea's summer typhoons (monsoon seasons) and severe winter winds from Siberia, offering class-leading air-tightness and water resistance.
Integrating multi-chamber profile designs and premium polyamide thermal breaks to achieve low U-values (under 0.8 W/m²K), matching Korean ZEB Tier 1 specifications.
Multi-point lock systems wrap around the sash perimeter, making it incredibly secure against forced entry attempts, a vital asset for luxury low-rise residences.
Suozhe Doors & Windows is a professional enterprise specializing in the R&D, manufacturing, and marketing of architectural system doors and windows, engineering curtain wall doors and windows, outdoor sunshade engineering systems, and related products. Equipped with an industry-leading door and window testing center, the company operates a modern garden-style production base spanning over 60,000 square meters, featuring fully automated Industry 4.0 intelligent production lines.
Its branded franchise stores are distributed nationwide, and its products are exported to multiple countries across Europe, America, and Southeast Asia, solidifying its position as a pioneering high-end customization leader in the system doors and windows industry.
Adhering to our structured core principles, we deliver windows that serve as active building-envelope managers.
Adhering to the development philosophy of "personalized design, innovative product development, scaled manufacturing, and globalized operations", Suozhe Windows & Doors employs the "Environment + Science + Human Habitat" framework as its foundational logic to harmonize residential designs with regional environments.
Committed to the "Three-High Standards" (high performance, premium quality, and aesthetic appeal), the brand strives to create healthy, comfortable, energy-efficient, and eco-friendly living environments for consumers, complying with international architecture laws and local regulations.
Tailored architectural solutions integrating local regional styles and specific user needs, supporting diverse hardware and glazing customization.
Utilizing advanced materials, such as aerospace-grade aluminum, alongside smart lock integration and integrated sensor technologies.
Fully automated intelligent production lines ensuring production efficiency, millimeter precision, and consistent batch quality.
Our core manufacturing competitiveness aligns with the needs of modern low-carbon green buildings, certified under international structures.
Delivering heavy-duty structural capabilities, energy ratings, and noise isolation properties for industrial and luxury residential domains.
We combine multi-chambered extruded aluminum profiles with multi-layered insulation panels and structural foam fillings. Our structural polyamide thermal break strips reduce internal-to-external energy transfer by up to 85%, ensuring that heating and cooling losses in high-density Korean urban structures are kept at a minimum.
Featuring triple-seal EPDM gaskets combined with multi-layered insulated glazing units (IGU) containing argon gas. This setup delivers high-efficiency acoustic dampening, reducing outdoor urban noise (such as highway or rail traffic) by up to 45 decibels (dB), contributing to peaceful indoor environments.
Utilizing electrostatic powder coating, fluorocarbon spraying, and wood-grain thermal transfer processes. All coatings offer robust protection against saltwater spray erosion in coastal cities, UV-induced fading, and acid rain corrosion over decades of exposure.
Sourcing building components internationally requires strict compliance with domestic standards. For South Korea, imports must align with the Korea Standards Association (KSA) regulations and satisfy Korean building energy code standards. When partnering with global suppliers, it is critical that products demonstrate tested compliance with Korean industrial testing protocols (such as wind pressure resistance, air permeability, and thermal transmittance properties).
Suozhe provides complete architectural support, working directly with design consultants and builders to generate detailed CAD shop drawings, wind load calculations, and localized logistics management to streamline customs entry in key Korean ports, including Incheon and Busan.
Ensuring complete peace of mind through strict compliance with ISO guidelines and domestic architectural standards.
As a participating editor of the Prefabricated Sunroom Standards and a Standing Committee Member of the Guangdong Doors & Windows Association, Suozhe has obtained QES (ISO 9001/ISO 14001/ISO 45001) triple management system certifications, demonstrating its commitment to standardized production and sustainable operations. With over 200 national patent applications, the brand leads technological innovation in the industry, particularly in seamless welding and high-performance system window solutions.
Rooted in quality craftsmanship and backed by professional expertise, Suozhe operates from a high-standard foundation, integrating front-end and back-end systematic management. The brand achieves seamless coordination across systematic R&D, premium configuration design, high-end customization, precision manufacturing, and turnkey installation.
By offering one-stop spatial aesthetic solutions for system doors and windows, Suozhe is dedicated to enhancing the quality of life for discerning customers while contributing to the advancement of the system doors and windows industry worldwide.
Addressing crucial specifications, sourcing protocols, and deployment details for engineers, building designers, and sourcing managers.
Tilt & Turn windows seal completely against EPDM gaskets under mechanical pressure, offering superior air-tightness, wind resistance, and thermal performance compared to traditional sliding variants. This is essential for meeting South Korea's strict building energy efficiency requirements (Zero-Energy Building mandate) and resisting typhoon pressures in coastal districts.
Our premium systems (such as the Bolan 85 and Weixi 65 insulation systems) can achieve U-values under 1.0 W/m²K, depending on the glass package (triple glazing with low-E coatings and argon gas). This complies directly with global Passivhaus standards and the requirements for high-performance buildings in cold-climate regions like Gyeonggi Province.
Yes. Our 60,000-square-meter Industry 4.0 production facility is equipped to handle custom architectural configurations. We support architectural designers with personalized profiles, custom hardware options, integrated mosquito screening, and specific finish options (such as fluorocarbon powder coating and timber-effect finishes).
All window components are wrapped in protective film, cushioned with corner guards, and crated in fully enclosed, IPPC-treated wooden crates. We load and secure these crates inside containers to prevent movement during sea transport to ports like Incheon, Busan, and Gwangyang.
Yes. We work closely with procurement officers to prepare technical documentation, material mill test certificates, and lab reports. Our systems undergo rigorous performance testing (for wind load, water-tightness, and thermal bridging) to ensure they meet your local building inspection codes.
Explore our full range of thermal-break window profiles, ultra-narrow flush doors, and sunroom installations.
Connect directly with our engineering and logistics teams to configure high-performance Tilt & Turn solutions tailored to your regional wind-loads, thermal requirements, and structural designs.
Suozhe Windows
