E-TFENG is a high-tech enterprise specializing in curtain walls and fenestration systems, serving the global market. With our core commitment of "Three Decades of Proven Excellence in Assured Delivery," we are dedicated to becoming a trusted partner for clients worldwide. Headquartered in the Shenyang Shenbei New District—a national high-tech industrial development zone—the company inherits over thirty years of top-tier engineering expertise and project management experience. Our modern production base spans 60,000 square meters and is equipped with a full line of precision machinery imported from Europe, ensuring superior accuracy and quality from the very source of manufacturing. We hold top-tier qualifications, including First-Class certification for building curtain wall and aluminum alloy door/window decoration construction, as well as Class-A certification for special engineering (structural reinforcement). Our comprehensive product portfolio covers the entire spectrum of needs, from residential to commercial projects, including system windows, system doors, passive-house doors & windows, folding doors, unitized curtain walls, parallel-opening windows, lift & slide doors, and sunrooms. As an integrated manufacturer encompassing design, R&D, production, sales, installation, and after-sales service, E-TFENG’s core mission is to translate the engineering reliability proven in landmark projects into safe, energy-efficient, and comfortable building facade system solutions for the global market. We stand firmly by our promise of assured delivery, adhering to this unwavering commitment at every stage—from contract signing to project completion.