Sinotek Co., Ltd., founded in 2001, is a leading manufacturer of high-quality automotive electronics specializing in TPMS (Tire Pressure Monitoring Systems), parking sensors, actuators, suction actuators, and remote control systems. Under the ​Promata®​ brand, our products are renowned worldwide for reliability, efficiency, and innovation. We serve OEMs, OES, and aftermarket customers across more than 50 countries—including major automakers like Toyota Indonesia, Toyota Thailand, Great Wall Motor, Changan Motor, and Chery Motor.