A brand under Beijing Warren Door and Window Co., Ltd.

Warren has entered the market with energy-efficient system windows and doors, adhering to a business philosophy centered on cutting-edge technology, exceptional quality, and customer-centric service—principles that have earned unanimous recognition from both industry professionals and consumers. Today, Warren boasts brand flagship stores in over 100 cities across China. Looking ahead, Warren Windows & Doors is committed to becoming China’s leading fashion-forward brand in the window and door industry. By infusing vibrant colors into its products, Warren aims to breathe new life into this timeless category, establishing itself as a trendsetting force in the market. Our overarching vision is to drive industry growth and innovation, while continuously striving to enhance living standards for Chinese families and safeguard the joyful, fulfilling lives of every household.

A 150,000-square-meter smart and digital production base;

WARREN is a brand under Beijing Warren Door and Window Co., Ltd., a comprehensive, modern enterprise integrating R&D, manufacturing, and sales. With a dedicated team spanning R&D, production, sales, installation, and after-sales services, WARREN has been focusing on the retail of doors and windows for over a decade. The company boasts 150,000 square meters of intelligent, digitally-driven R&D and showroom spaces, strategically located in Beijing, Linqu, Shandong, and Foshan, Guangdong. Industry-leading facilities include two high-end color-coating lines—one in the north and one in the south—as well as the German Glattstahl TPS-4SG glass production line. WARREN’s annual production capacity for doors and windows exceeds 1 million square meters. Moreover, WARREN has successfully achieved ISO9001 quality management system certification, ISO14001 environmental management system certification, and OHSAS45001 occupational health and safety management system certification, underscoring the company’s unwavering commitment to quality, environmental sustainability, and employee well-being. Additionally, WARREN has earned both the China Green Building Materials Product Certification and the Safety Production License, further validating the exceptional performance and robust safety standards of its products.

Warren team

Warren Doors & Windows team is deeply rooted in the philosophy of custom design, maintaining long-term, close collaborations with designers both domestically and internationally. We continuously innovate our product offerings—whether it’s for small-space renovations, historic home makeovers, or rapid window replacement services. In 2024, Warren partnered with renowned architect Tomas Osinski to bring the "Invisible House" project to life in Los Angeles, creating a naturalist-inspired residence nestled amidst the desert landscape. Beyond that, we’ve delivered a series of standout projects in grand estate designs, sleek apartment layouts, and cutting-edge villa innovations. Our work has been featured multiple times on CCTV2’s "Secret Makeover," as well as in NetEase Home’s "The Warmth of Design" and Sina Home’s "Design Trends Shaping the Future." Additionally, we’ve joined forces with prestigious organizations like the Golden Chamber Awards and the Chinese Overseas Designers Golf Club, collaborating across various design platforms to provide tailored door and window solutions that meet the unique needs of diverse consumers.

R&D team

Warren Doors & Windows boasts a professional and highly innovative R&D team dedicated to researching and developing cutting-edge technologies for door and window products. Leveraging their extensive manufacturing expertise, the team continuously pushes boundaries in both performance and design, earning over 100 patent certifications and securing dozens of North American product approvals along the way. In 2025, Warren Doors & Windows will introduce three new product lines that seamlessly blend European craftsmanship with smart technology, catering to diverse home design needs. Guided by the mission of "Safeguarding a Better Life," Warren's R&D team remains committed to driving innovation and elevating China’s intelligent manufacturing capabilities in the doors and windows industry.

German Yelu Automatic Processing Production Line

Heavily investing in the introduction of 6 fully automated Yelu production lines from Germany
Micrometer-level differential control for product precision
Intelligently enabling the production of high-quality system doors and windows.
Carefully selected international equipment—just for a great window.

Fully automatic horizontal spray production line

Brand-new bespoke colors achieved through imported Akzo powder coating.
Imported Longtu spray line paired with Swiss Goldhorse gun heads
Surface adhesion and uniformity far exceed European standards.
Frame and sash in the same color create a skin-like, intimately tactile and visually captivating experience.
Meeting the demand for personalized home color customization

Installation team

Warren Doors & Windows boasts a professional installation team dedicated to delivering standardized, meticulous door and window installation services to every customer. The team strictly adheres to industry standards, ensuring precise and safe installation for each product. All installation engineers have undergone comprehensive training and possess extensive hands-on experience, enabling them to tailor solutions to suit diverse building structures, varying climate conditions, and specific customer needs. This ensures that the doors and windows not only meet but exceed expectations in terms of soundproofing, thermal insulation, and wind-pressure resistance.

4SG insulated glass production line

A domestic retail brand of doors and windows with a 4SG production line

As today's users increasingly pursue a higher quality of life,
4SG glass is delivering high-quality, high-performance features.
Becoming the standard feature for high-end system doors and windows
Warren Windows & Doors Makes a Strong Introduction
Germany's Glasstech TPS-4SG Glass Production Line
Providing users with higher-quality door and window products

A brand under Beijing Warren Door and Window Co., Ltd.

Warren has entered the market with energy-efficient system windows and doors, adhering to a business philosophy that emphasizes technological innovation, exceptional quality, and customer-centric service—principles that have earned us unanimous recognition from both industry professionals and consumers. Today, we proudly maintain brand flagship stores in over 100 cities across China. Looking ahead, Warren Windows & Doors is committed to becoming China’s leading fashion-forward brand in the industry, using vibrant colors to breathe new life into windows and doors while redefining the category as a stylish, trendsetting nameplate. Our overarching vision is to drive industry growth and lead advancements in the sector, all while enhancing the living experience for Chinese families and safeguarding the promise of a better, more beautiful home life for every household.

A 150,000-square-meter smart and digital production base;

WARREN is a brand under Beijing Warren Door and Window Co., Ltd., a comprehensive, modern enterprise integrating research & development, manufacturing, and sales. With a dedicated team spanning R&D, production, sales, installation, and after-sales services, WARREN has been focusing on the retail of doors and windows for over a decade. The company boasts 150,000 square meters of state-of-the-art, digitally-optimized R&D and showroom spaces located in Beijing, Linqu, Shandong, and Foshan, Guangdong. Notably, WARREN uniquely features two high-end color-coating lines—one for northern climates and another for southern regions—alongside Germany’s Glashütte TPS-4SG glass production line. This advanced infrastructure enables WARREN to achieve an annual production capacity of over 1 million square meters of doors and windows. WARREN has successfully earned ISO9001 certification for its quality management system, ISO14001 for environmental management, and OHSAS45001 for occupational health and safety management, underscoring the company’s unwavering commitment to excellence, sustainability, and employee well-being. Additionally, WARREN has been awarded both the China Green Building Materials Product Certification and the Safety Production License, further validating the exceptional quality and robust safety standards of its products.

Warren team

Warren Doors & Windows team is deeply rooted in the philosophy of custom design, maintaining long-term, close collaborations with designers both domestically and internationally. We continuously innovate our product offerings—whether it’s for small-space renovations, historic home makeovers, or rapid window replacement services. In 2024, Warren partnered with renowned architect Tomas Osinski to bring the "Invisible House" project to life in Los Angeles, creating a naturalist-inspired residence nestled amidst the desert landscape. Beyond that, we’ve delivered a series of standout projects in grand estate designs, sleek apartment layouts, and cutting-edge villa innovations. Our work has been featured multiple times on CCTV2’s "Secret Makeover," as well as in NetEase Home’s "The Warmth of Design" and Sina Home’s "Design Trends Shaping the Future." Additionally, we’ve joined forces with prestigious organizations like the Golden Chamber Awards and the Chinese Overseas Designers Golf Club, collaborating across various design platforms to provide tailored door and window solutions that meet the unique needs of diverse consumers.

R&D team

Warren Doors & Windows boasts a professional and highly innovative R&D team dedicated to researching and developing cutting-edge technologies for door and window products. Leveraging their extensive manufacturing expertise, the team continuously pushes boundaries in both performance and design, earning over 100 patent certifications and securing dozens of North American product approvals along the way. In 2025, Warren Doors & Windows will introduce three new product lines that seamlessly blend European craftsmanship with smart technology, catering to diverse home design needs. Guided by the mission of "Safeguarding a Better Life," Warren's R&D team remains committed to driving innovation and elevating China’s intelligent manufacturing capabilities in the doors and windows industry.

German Yelu Automatic Processing Production Line

Heavily investing in the introduction of 6 fully automated Yelu production lines from Germany
Micrometer-level differential control for product precision
Intelligently enabling the production of high-quality system doors and windows.
Carefully selected cutting-edge international equipment—just for a perfect window.

Fully automatic horizontal spray production line

Brand-new bespoke colors achieved through imported Akzo powder coating.
Imported Longtu spray line paired with Swiss Goldhorse gun heads
Surface adhesion and uniformity far exceed European standards.
Frame and sash in the same color create a skin-like, intimately tactile and visually captivating experience.
Meeting the demand for personalized home color customization

Installation team

Warren Doors and Windows boasts a professional, highly efficient installation team dedicated to delivering standardized, meticulous door and window installation services to every customer. The team strictly adheres to industry standards, ensuring precise and safe installation for each product. All installation engineers have undergone comprehensive training and possess extensive hands-on experience, enabling them to tailor customized installation solutions based on varying building structures, climate conditions, and specific customer needs. This ensures that the doors and windows perfectly meet performance requirements such as soundproofing, thermal insulation, and wind-pressure resistance.

4SG insulated glass production line

The country's first and only window and door retail brand equipped with a 4SG production line.

As today's users increasingly pursue a higher quality of life,
4SG glass is delivering high-quality, high-performance features.
Becoming the standard feature for high-end system doors and windows
Warren Windows & Doors Makes a Strong Introduction
Germany's Glasstech TPS-4SG Glass Production Line
Providing users with higher-quality door and window products