Since the early 90's of the 20 century, Hoiho has started study Lead Free PCB fabrication.
We made the first lead-free board in electrolytic gold process.

In 1999 ,Hoiho succedded in setting up an OSP ( Entek ) and Immersion Gold line.

In 2004, both immersion silver and lead-free HAL passed the qualification.

Product of Halogan Free PCB started in 2002.

We are fully Rohs Compliance Since 2002.