Xiamen Hualian Electronics Corp., founded in August 1984, is one of the largest Chinese manufacturers of Optocouplers, IR Receivers and LED Displays.

Opto portfolio includes: Photo Transistor Output, Photo Triac Output, Photo MOSFET Output, High Speed Photocoupler, Photo MOS Relay, Gate Drive Optocouplers, etc.. the package platforms cover DIP4 / SMD4, SOP4 / SOP5, LSOP4, 1.27SOP4, DIP6 / SMD6, DIP8 / SMD8, SOP8, LSOP6, WSOP8, and SOP16.

Hualian is a high-end manufacturer with quality certification ISO9001: 2015, IATF16949: 2016 (automotive quality system), ISO14001: 2015 (environmental system certification), IEQC QC 080000: 2017 (hazardous substances process system), ISO45001: 2018 (safety and health management system).

Furthermore, Hualian products are VDE, TUV, UL, RoHS, REACH certified.

Product lines


  • Linear Optocouplers
  • Photo Triac Output
  • High Speed Photocoupler
  • Photo MOSFET Solid State Relay
  • Photo Transistor Output
  • Photo Darlington Transistor Output
  • Gate Drive Optocoupler
  • Photovoltaic MOSFET Driver

IR Receivers

  • SMD
  • PTH

LED Displays

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Siri Elettronica S.p.A

  • Via Cesare Battisti 70 35010 Limena - Padova
  • VAT 02634470286
  • Registered Capital 500.000,00€


  • Siri Elettronica S.p.A. has obtained the certification of the quality management system issued by SGS Italy, in compliance with the UNI EN ISO 9001:2015