1.OEM mobile and mobile main board 2. Electronics components source 3. Good experience in EMS 4. ... Agilent 8960, CMU200 and MT8820C, and can test the main board of mobile phone in the aspects of AFC, TX, RX ... ERROR, main board check, sensitivity, switch spectrum, power (GSM, DCS). It can daily test 150,000 sets.Workshop pictures for reference: circuit board