*Plywood or wooden crate,with paper or cork between each two glass sheets.

*The crates shall be banded by steel bands and suitable for sea shipment. 

Tempered glass is one kind of safely glass being produced by heating flat glass to its softening point. Then on its surface forms the compressive stress and suddenly cool down the surface evenly, thus the compressive stress again distributes on glass surface while the tension stress exists at the center layer of the glass. The tension stress caused by outside pressure is counterbalanced with the strong compressive stress. As the result the safety performance of glass is increased.

The laminated glass is one kind of safety glass made under high temperature by interlaying PVB membrane between glasses. It can be two sheets or more than two sheets.