*An ideal kind of door using as the gate between the reception room and the balcony; *This special door sill can be enchased in the floor completely ,the height between the outside and inside floor is only 30mm，which is safety and convenient; *The figure of the frame embody the simple and elegant style fully *Double-sealed insulating glass; the air thickness between glasses can be variety *Double ring continuous Sealed system obtain excellent anti-air and anti-water ability; *The glass can be taken down easily at room , which make the maintenance and glass-change convenient ,in addition to the colorful decoration effect; *Sliding leaf easily and safely, very fit for the area need large lighting area; *Leaf width: is up to 3350mm, leaf height is up to 2675mm and the overall length can reach 6700mm