... certification 4.ISO90001 PEDB-350 Diode End-Pump High-precision Laser Marking Machine Adopted the most advanced international diode ... international diode end-pump technology, is applicable for high precision marking on metal (including rare metal) such as steel ... parts, construction materials, PVC pipes, package, glasses & watch, jewellery , crafts ,etc.Features 1. With more than 45% high optics ...