Constant temperature, insect-proof, wind-sand-proof, fire-proof, anti-odor lighting and many other functions. Energy saving, fast opening and closing. Airtight to prevent the invasion of external disasters.
Constant temperature, insect control, wind and sand, fire prevention, odor-proof lighting and many other functions. Energy saving, fast opening and closing. gas seal to prevent external disaster intrusion.
Constant temperature, insect proof, sand proof, fire proof, odor proof lighting and other functions. Energy saving, fast opening and closing. Airtight seal to prevent external disaster invasion.<br>