Shimadzu 20A liquid chromatograph, specific configuration: LC-20AD dual pump, SIL-20AC temperature control automatic sampler, DGU-20A3 degasser, CBM-20A controller, SPD-M20A diode array detector RSD%=0.01, CTO-20AC with refrigeration column thermostat, software is maintained for free indefinitely, can provide installation training, price quotes.