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 certification in 2009; gotten ISO 14001 certification in 2014; gotten Ministry of Finance open a unified invoice excellent business people award in 2017.gotten Ministry of Finance open a unified invoice excellent business people award in 2020; For the sustainable development of the global environment and the goal of reducing carbon emissions, Copper oxide(HH-68) grade will become the first company in Taiwan to obtain UL2809 green environmental protection made from 100% recycled copper materials in 2022.