Kang Chieh Tech Co., Ltd.
products including circular din/ miniature circular din/ power/ centronic/ v.35/ SCSI/ PCB/ RF connectors, cables, adaptors, battery clips, cigarette/ banana plugs, terminal blocks, phone/ power jacks, hoods.
The Best of Made in Taiwan
Primary member : Power Jack Suppliers & Manufacturers
Others 
LightWell Corporation, Ltd.
electornic components including slide/ detector/ DIP/ door latch/ hook/ lever/ micro/ vertical push/ recording/ tact switches, headphone/ DC power jacks( sockets), voltage selectors, ( dual color) LED lamps, seven segment/ dot matrix LED displays, invisible LED devices.