Dear all customers, Kindly reminding that the Chinese festival holiday in Weller is 1st Feb to 19th Feb and production will be closed then, please schedule your order beforehand to avoid any production delay due to our holiday.

Tin Plating

The copper plating step is followed by plating tin onto all the exposed copper surfaces.

The tin will be used as an etch resist to maintain the copper traces, hole pads and walls during the outer layer etch process.