Xiamen Hualian Semiconductor Technology Co., Ltd., independent from Optoelectronics BU of Hualian, is a wholly owned subsidiary of Hualian Electronics. It is a leading enterprise in the field of isolation devices in China with over 35 years of experience in optoelectronic packaging & testing and over 20 years of experience in optocoupler product researching and manufacturing.

Hualian Semiconductor has became one of a most powerful and large-scale optocoupler brand in China. We are capable of researching and developing complete range of High-end optocouplers with excellent product performance and superior supporting service.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/EU/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.

In addition, Hualian Semiconductor is also a professional provider of the infrared receivers, optical sensors, and infrared photosensitive devices.

Hualian Semiconductor has been committed to the vision "customer-oriented, to be the most professional leader in the field of isolation device". 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,ESD certification, etc, and has passed the AEC-Q, VDE, UL and CQC safety certifications for the products.