The product consists of a positive Technology built to make household products. The products are mainly used in IC components, PCB board milling metallurgical analysis system micro slices, polished to make it smooth and bright surface, easier to analyze in order to achieve a mirror requirements. High quality drive and motor, low noise, long life. Grinding simple mechanical design safe and reasonable, disc rotation smooth water completely isolated, secure and reliable digital speed display, digital control, easy to operate. Product main features: 1, using high-quality drive and motor, low noise, long life. 2, reasonable mechanical design, smooth rotary disc 3, digital display, stepless 4, water and electricity completely separated, safe and reliable 5, in line with IPC-TM-650REV.DNO.2.1 1998 Standard 6, in line CB / T4677-20028.3 standard Positive business owners peel strength tester, characteristic impedance tester, ionic contamination tester, the second measuring instrument, Nikon microscope, double disc grinding machines and other laboratory equipment. For more information, please click on the official website: http: //www.zhengyekeji.net/ or call the hotline: 4008038918