Machine engraving glass for windows, doors 1. Machine engraving 2. Thickness 4,5,6,8 ... glass is the main material for partition wall, windows and doors, is widely used for the home, hotel and club ... Report of product quality issued.Company profile:Tengzhou TechHi Glass Co., Ltd. is a manufacturer of carved glass, decorative glass and ... H.P.: +86 15854678193 Machine engraved glass for windows, doors