Fiber Portable Mini Laser Marking Machine for Ring Etching with 10W 15W 20W 30W 50W Jiangsu Shinny Glass Co., Ltd. Base Info Description Pre：10W 15W 20W 30W 50W Mini Portable Fiber Laser Marking Machine for Metal /Pipe /Plastic /Tag /Key/Jewelry/Bottle Next：20W 30W Portable Intelligent Optical Fiber Laser Marking Machine for Metal /Pipe /Plastic /Tag /Key/Jewelry/Bottle
