PASSIVE system windows and doors were established in Beijing in January 2013. At present, the enterprise has a complete system window and door R&D team, window and door performance testing center, technology application center, sales and after-sales service team, equipped with standard Industry 4.0 imported production lines, window and door management software and other software and hardware. The annual production of system windows and doors exceeds 250000 square meters. It is a comprehensive management enterprise that integrates research and development, design, production, management, sales, service, and after-sales. PASSIVE selects high-quality window and door accessories and focuses on the research and development of system windows and doors. PASSIVE's products include energy-saving system windows and doors, high-performance system windows and doors, PHI-A passive windows and doors, lifting sliding doors, panoramic system doors, high-end system entrance doors, energy-saving curtain walls, outdoor sunrooms and other series. In addition, PASSIVE continues to innovate and design multiple multi-functional system windows and doors, including simple and fashionable, narrow frames, narrow fans, etc., which highlight the characteristics of sound insulation, energy conservation, safety, aesthetics, durability, etc., becoming the main products among many architectural designer works. PASSIVE adheres to precise market positioning and brand building, collaborates with system partners, regional operation management, etc. to promote and expand, Improve the market share and brand influence of products, make product intelligence one of the highlights, identify the pain points of consumers in their actual home life, provide solutions for existing buildings of end owners, balance scientific and humanization, always serve consumers with professional, systematic, and high-performance original intention, in order to achieve the positioning of high-end home window and door brands.