- 1988 World Walk Co. Ltd was established in 1998. At the begining of the development of SMD type LED. Due to the financial difficulties, the technology was transfer to other company.
- 1990 Invest in the manufacturing and production of POTENTIOMETER. (resistor)
- 1995 To meet market demand, start to produce the close type ROTARY POTENTIOMETER, which seal up by resin.
- 2000 For the digital market, start to assembly and develop TACT SWITCH and DIP SWITCH. For use in precision test equipment, also develop AUTO REPLACEMENT POTENTIOMETER, POTENTIOMETER WITH PUSH-PULL SWITCH, DUST-PROOF POTENTIOMETER WITH SWITCH, and CERAMIC TYPE POTENTIOMETER.
- 2005 Create 9mm tiny size of ENCORDER for walky-talky market.
- 2007 For the compace market, start to develop SMD TYPE SLIDE POT. which travel has 5mm and 10mm. (Patent certificate:200720305335X)
- 2008 Invest in automotive accessories. Esprcially the tinny size back light module. (Patent certificate:200720309586.5)
- 2009 New product --> REPLACEMENT POTENTIOMETER (RJ09 series), with Patent in Taiwan & China