Established in 2014, Grandex Door Solutions Co., Ltd. is a premier entry door manufacturer operating from a modern 35,000 m² facility. With 16 years of industry expertise and 8 years of dedicated export experience, the company generates an annual export revenue of USD 28 million. Grounded in strong OEM and ODM trade backgrounds, our products primarily serve North America and Western Europe, supported by a network of over 1,200 supply chain partners. We cater to leading building material distributors, real estate developers, and commercial contractors. Quality is integral to our operations: supported by strict ISO 9001 certified internal testing and third-party laboratory verification, our 45-member QA team ensures rigorous quality control throughout production. Driven by an active R&D division with 85 specialized engineers, we introduced 120 new door designs last year and offer full custom solutions spanning custom dimensions, security locks, surface finishes, and decorative glass panels.
Navigating the Russian construction landscape requires deep knowledge of GOST standards and climatic resilience. As the demand for high-performance fixed windows increases, Grandex provides localized support to ensure our solutions meet the specific thermal insulation requirements for Moscow, St. Petersburg, and Siberia’s extreme conditions.
Full adherence to EAC and GOST certification requirements for window installation.
Triple-glazing tech designed to handle thermal gradients from -40°C to +40°C.
Optimized supply chain routes for seamless cross-border transit to Russia.
Raw materials
Sawing
Milling
CNC MillingOur commitment to Industry 4.0 ensures our fixed window systems remain at the forefront of the Russian industrial revolution. From automated CNC precision to intelligent sorting, our technology roadmap emphasizes carbon footprint reduction and energy efficiency, vital for modern Russian green-building certifications.
CNC Drilling
CNC Center
Cutting
Intelligent Sorting
Checking and Packing
Sawing Machine
Milling Machine
CNC Milling MachineQ: Do you offer export support for Russian distributors?
A: Yes, we provide full logistics, customs documentation support, and technical installation manuals in Russian.
Q: Are your windows rated for extreme cold?
A: Our specialized cold-climate window series is engineered to withstand temperatures as low as -50°C with advanced thermal breaking technology.
Grandex Door