The level of toughened glass:
The horizontal tempering method glass moves in the level of horizontal transmission and (gel coat and, ceramic roller, asbestos rope and), completed by heating, quenching tempering process. It is called horizontal tempering. Said horizontal tempering is to distinguish on the hanging tempered, the latter tend to clamp glass in causing deformation and installation to windows and doors is not convenient. And ordinary tempered glass is generally the level of tempered glass.
