Guangzhou Dashan Ming Machinery Co. Ltd.   

Manufacturers selling multifunctional plastic jewelry inlaid diamond drill rig | without glue | beautiful environmental protection multifunctional plastic jewelry inlaid drill, your preferred mountain Ming machinery. Hello! Your products have diamond? Our company specializing in the production of diamond machine, still do not know whether to be able to help your company? The working principle of plastic accessories with multipurpose rig: also known as hot rig / ultrasonic hot rig, drill or drill with ultrasonic point, its principle is to use ultrasonic host output piezoelectric ultrasonic signal, the piezoelectric transducer piezoelectric ultrasonic signal into mechanical