Chang-Yu Technology Co., Ltd. is a manufacturer of automated testing system and specializes in optical and electronic technology. We are awarded of "The 9th Rising Star Award" on August 31, 2006 in Taipei International convention Center, and receive this symbol of honor from the hand of Taiwan Prime Minister Mr. Su.

We are devoted to study LED process and test condition as time pass by. Base on long term research and innovation, we developed handler and tester design and itegration capability. With the capability, we built up entry barrier for other competitors and provided total solutions to our customers. Until now, the capability becomes our niche point in the LED tester marker.

At the same time, during the process, we take high quality and efficient after-service as our faith. From software and hardware updating to debugging on the spot, we ensure customers' stisfaction since they used our products. LED manufactures in Taiwan have a dominant position in blobal LED market; CYT, as a LED tester and handler provider, we will keep providing high quality and diversified products to make our customers more competitive in the world.