HSIEN HORNG TECHNOLOGY CO., LTD,, was founded in Yi-Chu Industrial Zone, Taiwan, in 2009, was invested by HSIEN ANG (one of the main suppliers of zinc compounds in Taiwan), The company has experience in manufacturing with unique technique and supplying worldwidely copper oxide (Electron grade) . Because of our excellent customer service and predominant quality, the company has led far greater advance than the other suppliers in the national market. We have gotten ISO 9001 in certification 2009.