CNC mini engraver,JK3020,CE & ROHS professional manufacture high precision,long lifespan operate conveniently ... sort of CNC mini engraver in our company,the model JK3020.its suitable for these materials:copper,aluminium,jade,acrylic,double ... is especially made for engraving cylinder materials.Technical parameters: Model JK3020 Working area 300X200X70mm Spindle motor 800W Engraving speed 2000/3600mm ...