Note: the company's long-term cash acquisition / recovery: network analyzer, spectrum analyzer, tester, digital communication tester, wireless comprehensive test instrument, the high frequency signal source, oscilloscope, LCR tester, modulation device, Bluetooth tester, electroacoustic instrument, video audio analyzer, logic analyzer, multimeter, phone programmable power supply, DC power supply, electronic load, frequency meter, GPIB card, PCI-GPIB card, GPIB-USB-B, power meter second-hand equipment. And sell / repair / purchase / lease these instruments. Welcome to inquire!!