Open space to the greatest extent, can see the external landscape, the room inside and outside the smooth operator, a broad field of vision.
The German premium folding system hardware fittings, exquisite and smooth, flexible switch.
Double waterproof glue and drainag systems under the track design, solve in the past strips of aging and leakage.
Cavity using ethylene propylene diene monomer (EPDM) sealing strip, not aging, durable,more comprehensive sealing effect.
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