1. Nature hard solid wood structure of door leaf.              
2. Inside filled with high density foam board which covered by 2PCS of 1.8mm steel plate.              
3. Both sides of steel are reforecd by 2 layers of strong HDF board.              
4. Surface finishing by two componets UV proof high quality painting.              
5. With 3 layers of vacuumize toughened glass              
6. With high flexibility silicon rubber seal.              
7. Hard solid wood as doorsill with anti-slippy aluminium covering.              
8. The above price do not include the lock              
9. Container capacity: 70PCS/20Ft, 140PCS/40Ft, 200PCS/40HQ (differs upon your virtual choice)