Dear Sir | Madam,  We are an original Chinese factory who supplys qualified high frequency online UPS 1-20 kVA, 3 phase industrial UPS 10-200 kVA We accept OEM order, credit card or Master card payment also supported.  Please get back to me for more details if you are interest in.  Best Regards David Shea www.ipocasa.com Skype: davidtse410635 WhatsApp|Wechat: +86 137 2877 6531