lAesthetic design，prevents heat escape，sound proof，weather proof， and prevents ultra-violet light degrading。

lSelect natural timber after process of kiln drying, degreasing??finger jointing??and laminating to produce decay-resistance window that is insect free and resistant to warping and distortion.

lUsing premium paint imported from Germany to resist insects, water, fading, peeling and ultra-violet light degradation.

lHigh strength，durable and withsmooth operating and fashionable finishes such as ROTO, and SIEGENIA.

lHaving various textures, colors, thickness and different combinations of glass for aesthetics.One example is double glazing with argon inside, Low-E, etc

lDiversified range of model switch different operations that can be customized according to the demands of customers, such as casement, tilt-turn, French style, or sliding operations.