APT, founded in 1993, is a domestic brand of low-voltage control appliances. After its integration into Siemens, APT continues to focus on the development and production of buttons, signal lights, transfer switches, relays, control boxes, current transformers, limit switches and other important low-voltage products. Siemens will leverage its international experience to strengthen APT's quality management and business development, and make APT better serve Chinese customers by relying on advanced technology and R&D resources. [more]