CHING CHOO

Electric relays; Keyless entry system and keyless ignition switch system for automotive vehicles comprised of a microprocessor, electronic signal receiver, and keyfob with electronic signal transponder; Solenoid valves; Diodes; Pressure sensors; Control valves for regulating the flow of gases and liquids; Electronic timers; High-pressure pumps for proportioning and testing purposes; Electrical connections; Electronic components, namely, piezoelectric switches