YACG was founded in 1978 and established in 1990.  With over 30 years of experience, we have worked with many luminaries developers to fit varieties of new light source and production processes. YACG have gathered a very rich and valuable experience of premium production technique.

1978：YACG predecessor mainly produced  computer covering and the lighting accessories.

1990：Transforms to Yah Juang Enterprise Limited which specializes in producing lighting products and lighting accessories.

2000： Approves the ISO9002 Management System.

2005：Establishes branch office in Barcelona, Spain and sells to the Spanish and European Union market.

2006：Invests in the LED factory to produce and sell the LED products.

2007：Cooperates with ITRI (Industrial Technology Research Institute) to research the LED lighting utilization and commodity manufacture.

2009：Yah Juang Enterprise Limited changes to Yah Juang Lighting Technology Co., Ltd.

2010：Public Company invests in YACG to work together in the research and manufacture of LED products.  Devotes itself to develop LED lighting as main product.