Automation Components Inc. is a manufacturer of high performence sensors and transmitters for the HVAC industry sice 1991, located in Madison, Wisconsin USA.
LEFOO is a developing and manufacturer of Pressure Control Devices for HVAC and industrial automation since 1998, located in Yueqing and Hangzhou, China.
GREEGOO Electric Co., Ltd.products covering rectifier diodes, diode bridge, power modules, Solid State Relay, surge protectors, push buttons, pilot lights, proximity sensors and many more products, located in WenzhouChina