This is vicky from Shenzhen Fenice Power Co,. Ltd. Glad to know you are on UPS business area.
We are focus on OEM manufacturing of UPSwith more than 18 years experience, our management worked on Eaton with 12 years and another Top OEM factory as a R&D head for 5 years.
Offline UPS 400va-3000va are our management design, and now we improve our design to be better, for example, the housing use HIPS instead of PS material, it avoid the housing broken during the delivery.
Not only that but also the inside structure and component, it is better for the battery life time and UPS usage.
In your market, the competition is really fierce, if have the advantages it will be better for you to develop the business.