Founded in 1989, Wenzhou Konstar Electric Industrial Co.,Ltd. With much experience in manufacturing ups, auto-voltage regulator, inverter, battery tester & charger, photocontrol, door chime, gas regulator etc. Our products have been exported to over 20 countries and areas. What's more, they enjoy the high reputation. We have a strong developing team and a strict control system to guarantee our products to be updated and qualified. If you want to know us more details, please visit our website.