... phone covers, surgical instruments, hardware metals, watch covers, rubber, ceramic, etc. Laser Marking Machine Parameter: Model No.GDBGX-20 laser ... samples: 10W 20W 30W Fiber Laser Marking Machine For Metal and Non-metal with CE,FDA,ISO9001 Verified Information This information is ... Assembly 2 4.Assembly 3 5.Assembly 4 6.Laser tube assembly 7.Test 8.Final inspection Certification: Certified Picture ...