Industry Excellence: Grandex Door Solutions in Berlin
Established in 2014, Grandex Door Solutions Co., Ltd. has evolved into a premier entry door manufacturer. With 16 years of industry expertise and 8 years of dedicated export experience, our 35,000 m² facility delivers excellence to global markets. In the context of Berlin’s evolving urban landscape, our high-performance lift-sliding doors offer the perfect synergy between thermal insulation and aesthetic elegance.
The Berlin Market Context
Berlin’s construction sector emphasizes "KfW-Effizienzhaus" standards. Our lift-sliding systems are engineered to meet these rigorous energy-efficiency requirements, providing seamless transitions between interior living spaces and Berlin’s historic yet modern architectural balconies or terraces.
Global Standards & Technical Innovation
With an annual export revenue of USD 28 million and a network of over 1,200 supply chain partners, we leverage a 45-member QA team and 85 specialized R&D engineers to ensure every door surpasses ISO 9001 certifications. Whether for Berlin's commercial contractors or premium residential developers, our solutions provide tailored security, thermal performance, and design flexibility.
Grandex Door











