... : Sliding, swing 6. Functions: fresh-keeping, freezing, quick-freezing, fire-proof, explosion-proof, air-conditioning are all available. 7.Refrigeration: R22, R404A, Polyol ... , Solenoid Valve, Filter, H/L Pressure Gauge, Oil Pressure Gauge, Junction Box10.Brand Compendents: Danfoss, Alco, Castol, stailess steel cold storage ...