--Folding-style design, it makes the maximum opening for outdoor landscape, unimpeded and wide view.
--It uses the widened and thickened seal rubbers for door panels on better sealing performance. It has anti-clamping function to project family in safety.
--Double glass/triple glass can effectively reduce the vibration resonance and block the noise transmission, it makes the indoor environment comfortable.
--Bottom tracks use dual water-proof and draining system, that thoroughly solve the leakage problem of aging.
--12mm width of aluminum strips ensure the connection tightness and sound-insulation effect. It has multiple wind and waterproof designs with sound-proof, dust-proof and water-proof functions.
--It uses SUS304 stainless steel guiding tracks , each hinge can load 80KG and work 100000 times without damage.