... driller, bending, Polishing, silk-screen , spray painting and so onProduction Technology: acrylic cutting , edge planing, bending ... and ToughShock resistance of Acrylic Case is 16 times that of ordinary glass;(Acrylic was used as aircraft wind ... shield during Worldwar 2, and also used in tank ... , even a long time in sunlight, wind and rain, acrylic will not change its properties ...