steel engraving cnc machine suitable for building models, logo industry, schools, enterprises and institutions CE steel engraving cnc machine QL-6090Characteristics: 1, Germany-double with ball ... , and also a 2 cm organic ease. 6, the machine is suitable for building models, logo industry, schools, enterprises and institutions use ... system(3)2.2 KW spindle and transducer steel engraving cnc machine