Aitcool Inc. specializes in manufacturing refrigerant recovery unit and vacuum. Till now its products have been exported to Italy, Germany, Mexico, etc. So please believe in its quality.Our price is competitive because we are the manufacturer, we are the source. Your are welcom to visit our website: www.aitcool.com. My company got its CE certificate in 2008.Vacuum pump is my regular product. While refrigerant recovery unit is recommended product, it is now in mass production. So we can offer it in a short time.Should any of these items be of interest to you, please go to aitcool at yahoo dot cn. I will be glad to give you details.