SAKO group has more than 18 years OEM/ODM products experience in the power supply field, we have 3 factories, wenzhou headquarter mainly produce the stabilizer, shenzhen factory mainly produce UPS and Inverter, hangzhou factory mainly produce the DC power supply, so far the ISO9001 and CE certificate had been approved, our goods have exported to over 30 countries and gotten very good comments from our customers, what we can offer is not only high quality and beautiful design, but also competitive price and complete after-sale service, we sincerely hope to estabilish good business relationship with you in the near future!