Xiamen Hualian Semiconductor Technology Co., Ltd., independent from Optoelectronics BU of Hualian, is a wholly owned subsidiary of Hualian Electronics, with over 35 years of experience in optoelectronic devices packaging & testing and over 20 years of experience in researching and manufacturing of optocouplers.

After years of deep cultivation, Hualian Semiconductor has now become a most powerful and large-scale optocoupler brand in China which is capable to develop complete range of optocouplers. Our product performance, reputation, and supporting service are all at the leading position in the field. We own multiple invention patents to ensure our technology leadership, and have developed/mass-produced multiple unique optocouplers which are perfect PIN to PIN substitutions for the TOP brands from US and Japan. We can also provide tailor-made development and mass production services of isolation device, which has win proven success and high reputation from our TOP leading customers in the fields of PV, automobile, ESS, industrial control(automation), power system and communication.

Hualian has established complete quality management systems for environmental protection and sustainable development. The company has passed the ISO9001:2015 quality system certification, IATF16949:2016 automotive parts quality system certification, ISO14001:2015 environmental system certification, and IEQC QC 080000:2017 hazardous substance process system certification