108 pairs of inward opening seriesa

Flat frame inside and outside, seamless welding window sash, roundedcomer design of R7, seamless welding buit in comer code impact processThe whole window adopts a hidden drainage system to enhance thedrainage performance and prevent water seepageIt is made of 6063-T5 aviation grade silicon titanium aluminum alloy, whichhas high strength, high toughness and is not easy to defomHigh-quality surface treatment, better anti-oxidation effect, can withstandweather for 20 years Vertical isothemmal design, three seals, and automotive grade styrofoamstrips.
The international PA66 heat insulation strp greatly improves the soundinsulation, heat insulation, waterproof and windproof performanceThe hollow tempered glass has sound and heat insulation, no fog, safety,and light transmittance can be improved by several timesThe pin injection process makes the profile splicing stronger and effectivelyprevents defomation, water leakage and other problems caused byimpact or extrusion