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, we bridge the gap between global manufacturing power and Canadian quality standards. Our annual export revenue of USD 28 million is backed by 1,200+ supply chain partners.
The demand for high-performance bi-folding doors in Canada is driven by a unique climate and the architectural trend toward "indoor-outdoor" living. In regions like British Columbia and Ontario, where thermal insulation is as critical as aesthetics, our products provide superior weather sealing and structural integrity.
Meeting Canada's Green Building Standards (LEED) through energy-efficient glass.
Engineered to withstand extreme temperature fluctuations from -30°C to +40°C.
85 R&D engineers continuously refining thermal break technology.
Raw materials
Sawing
Milling
CNC MillingOur R&D division has introduced 120 new door designs last year. We are currently shifting toward smart-integrated, automated threshold systems designed for Canadian commercial contractors, ensuring maximum security and seamless accessibility.
We combine ISO 9001 certified internal testing with third-party verification to ensure every product meets local Canadian building codes.