Adding Gridshieldtm to this existing plastic case we not only increased the shielding effectiveness but the impack strength was increased.

molded-in Gasket gridshield ecu
Attached to the Gridshield is additional spring grounding tabs.
  ground tabs
This is a very Complex mold - which is not a problem , since most mold complications are created by the need for under cuts in the part- the resin simply flows through the mesh , which stays on the core surface.