APT品牌创立于1993年。专门生产按钮、指示灯等低压产品，是中国领先的低压控制电器制造商。2008年8月，西门子依照协议完成对APT的收购之后，APT将集中力量生产按钮、指示灯、信号灯柱、转换开关、继电器、电流互感器，限位开关以及其它重要低压产品。 APT has been established in 1993. Today it is now a Chinese leading manufacturer of low-voltage control devices. After being integrated into Siemens in August, 2008, APT will focus on manufacturing push buttons, pilot devices, stack lights, cam switches, current transformers and l...
