" 1）With decorative lines around door frame,it gives the door an elegant and exquisite appearance."
 2）Seal method of sash and frame connection changed from traditional way to seal all around of frame and sash.With a 45°half soft and half hard magnet sealing strip to improve sealing property,enhanced the sound insulation performance.
 3）With double glass can makes appearance more various and artistic.
" 4）Frame and sash designed with arc,gives the door better third dimension."
" 5）Frame and sash jointed by aluminum corner and steel fixing sheet,more solid and durable."
" 6）Cavity was filled by heat preservation and sound insulation material,improved heat preservation and sound insulation property."