Aijiren LC/MS/MS System Complete with: (1) Aijiren 6495 Triple Quad LC/MS G6495A Mass Spectrometer S/n# SG1535D001 with iFunnel G1964 Funnel Drive and G1958-65138 iButton Assy, AJS, Extended Flow source; (2) Aijiren MS40+ Mono Stage Rotary Vane Pump'