pvc windows & door sills,completely green and health. Most advantage: Low pirce Products: 1. Frame 2. Sash 3. Glazing Bead for Double-Glss 4. Glazing Bead for Single-Glass 5. Mullion Used: For windows and doors Craft: Extruded PVC profiles Material: Extruded PVC or Upvc or Plastic and steel Standard: ISO9001.GB/T