OEM Service is accepted. Customized and tailored order are welcome. Samples or AutoCAD drawings are preferred. Or offer below informations: A. The window profile: Common window or thermal-break window? B. Main thickness of the window profile C. The dimension of the window: Width=? , Length=? D. The section width of the window profile E. The Surface finish: Anodizing, electrophoresis, powder coating, wooden texture, thermal-break, Fluorocarbon-coating? F. Glass: Which type of Glass? Normally we use Tempered glass Single glass or double glass? The thickness of the glass? Normally we are 5mm for single glass and 5-9A-5mm for double glass D. The open way of your window: Casment window or sliding window? Casment window: Inward window or outward window? Top-hung window or bottom-hung window? Inward tilt-turn window or Outward tilt-turn window?