Inspired by Italian style, modern round center pivot window with clean lines
Made of 6063 aluminum alloy, strong, corrosion-resistant, long lifespan
Equipped with high-grade rubber strips for airtight, watertight performance.
Handle-controlled pivot system allows adjustable glass rotation angle
Aluminum is 1/3 the weight of steel but offers great strength and stability.
Powder-coated surface, anti-scratch, colorfast, and weather-resistant
Suitable for villas, lofts, commercial buildings, stairwells, and mor
Size, color, glass type, and opening style can be fully customized








About US
Beijing Demei Window Building Materials Co., Ltd. is a comprehensive enterprise specializing in the research and development, design, manufacturing, and sales of thermal break aluminum windows and doors, aluminum-clad wood windows and doors, sunrooms, and skylights. With rigorous material selection standards, unique design styles, and excellent product quality, our products are highly favored by customers both domestically and internationally, and are exported to the United States, Canada, Germany, the United Kingdom, Australia, France, the Middle East, and many other countries and regions.
The company boasts strong manufacturing capabilities and a professional R&D team. Our production base covers an area of 8,000 square meters and is equipped with advanced CNC equipment and modern production lines. We implement intensive, data-driven, and scientific management, strictly adhering to multiple international standards including CSA, NFRC, SAI, ISO9001:2008, ISO14001:2004, GB/T28001-2001, CE, and GLOBALAS2047, ensuring that our product quality and service levels remain industry-leading. Our monthly production capacity reaches 10,000 sets of windows and doors, fully meeting large-scale order demands.
Our R&D team consists of leading experts in China’s aluminum profiles, aluminum-clad wood composite profiles, thermal break aluminum windows and doors, and skylight fields. Leveraging rich industry experience and strong innovation capabilities, we are dedicated to providing customized high-performance window and door system solutions to meet the diverse needs of different markets and customers.
Beijing Demei Window Building Materials Co., Ltd. upholds the philosophy of “Demei Windows, Crafted with Heart,” continuously driving the development and progress of the window and door industry. We look forward to working together with global customers to create a better future.
We are the direct manufacturer with our own factory, ensuring quality and competitive prices.
Yes, we offer full customization on size, color, material, and design.
MOQ depends on product type; usually starts from 2 set or small batch for custom orders.
We have strict quality control procedures and use premium materials throughout production.
Usually 15-30 days depending on order size and customization requirements.
We offer at least 5 years warranty on frames and hardware for manufacturing defects.