... A.certificate:CE,CB,ROHS B.patented outlooking. C.air pump,pre-cooling optional. D.cone ... .pre-cooling system,B. micro computerized controlling system,C.counter system,D.trouble-shot.A: soft ice ... had, the last change is the verification no for the settling gear.4. hardness5. softnessthese two buttons ... we are the top agency for this brand. We are the supplier of the compressor to many silimar ...