... stepper motor 4.high precision Advertising engraving machine with best/factory price ZK-1224Introduction: 1.the whole lathe bed is ... door, stone processing, mold manufacturing, craft processing, light box cutting, building mold cutting, light equipment processing, sign, brand engraving and so ... Warranty:1. one year for the whole machine make by factory, 6 months for spindle2.The spare parts sell on ...