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Nanjing Spencer Window Co., Ltd. was established in 2013 with a registered capital of RMB 20 million. The company operates a modern production base covering approximately 10,000 square meters. As an integrated enterprise combining research and development, manufacturing, and sales, Spencer specializes in aluminum alloy system doors and windows, offering solutions for both standard and high-end architectural applications.
With an annual production capacity of up to 100,000 square meters, the company’s products are widely used in residential buildings, commercial complexes, and industrial projects. By combining modern design concepts with durable materials and precise engineering, Spencer delivers door and window systems that feature excellent sealing performance, energy efficiency, and long-lasting reliability.
Development of hurricane-impact glass and reinforced aluminum profiles to withstand extreme weather patterns globally.
Shift towards Triple Glazing and Low-E coatings to drastically reduce HVAC energy loads in commercial towers.
Utilizing CNC automation and AI quality checks to ensure micron-level accuracy in curtain wall assembly.
High-end real estate developments, high-rise apartments, and luxury villas.
Office buildings, shopping malls, and boutique commercial facades.
Factory office zones and industrial parks requiring high sealing performance.


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