Rocky group, a specialist in glass manufacture & export. Consist of subsidiary companies as Qingdao Rocky Investment Co., Ltd., Qingdao Rocky Industry Co., Ltd., Qingdao Rocky Glass Co., Ltd., Rocky Development Co., Ltd., taking advantage of Qingdao harbor, Rocky is becoming a leading & professional corporation in glass manufacture, trade, transport, new product research, equipment & technology export & service.

Tempered glass is made by heating ordinary glass to its softening point and then suddenly cooling down to form compression in the surface layer of the glass, which processing make full tempered glass above 4 times stronger than annealed glass of equal thickness.

Characteristics:

1. Safety: once breakage occurs, the glass disintegrates into tiny harmless pieces

2. High strength: above 4 times stronger than annealed glass of equal thickness

3. Strong wind resistance: 1.5-3 times stronger than annealed glass of equal thickness

4. Excellence thermal stability, which can withstand 300℃ abrupt change of temperature

The details of our tempered glass are as follows: