532 green laser is used to mark the date of beer bottle. Customer chooses RFH 35W green laser to mark the beer bottle date. Green laser has a small thermal influence and the marking on beer bottle body date is not deformed.     On September 1, the freshmen's school day. On this day, RFH also gained the orders from loyal customers again. The orders of 5 sets of 532 green lasers are used to mark the date of the beer bottle. Glass beer bottles are fragile, so engraving on the surface of glass products requires high craftsmanship. Laser marking is a non-contact processing with short processing time and fine marking lines. It is very suitable for marking patterns or text information on the surface of glass materials.