Sorotec is a professional UPS manufacturer in the field of power electronics for 15 years. we have two large production UPS sites, Zhejiang and Shenzhen. we have own our SMT department. Sorotec UPS has been a leading enterprise in the UPS industry in China. uninterruptible power supply, UPS, online UPS, industrial UPS, large online UPS, low frequency UPS, high frequency UPS, line interactive UPS, UPS systems, 110v UPS, UPS power, offline UPS, telecom UPS. we offer wide range quality products either from our own standard range or customer-made to your specifications. Sorotec is becoming the most growthful China UPS supplier all over the world.