... inner surface of the frame. This 70 series wood inward opening window adopts debridged aluminum frame, and high grade solid wood ... , the design is currently one of the most popular window structures in Euro-continent. The hardware versatility of the ... Types: Open inwards: Casement, tilt-turn, sliding, folding , Open outwards: Casement, American casement, awning, hung tilt Features: 1) Easy operation ...