About our co***ny,I'd like to give you a brief introduction as below: HRD UPS, it's a middle scale with ISO9001-2008certified ,fast growing star-- UPS manufacturer in Shenzhen China .We are specialysed in UPS1-120kva and inverter 1-20kva. Our high quality UPS and inverters are fast exporting to more than 60 countries all over the world. ...