To review your feedback below, you did not direct reply any confirmation for the shape change of PC Board. It is assumed that you don't prefer to change any at this moment (i.e. keep everything in original). Am I correct?In such case, the current production units can keep to run as followed an optimization previously that can meet your expectation: i. Place an additional epoxy (at least 3mm thickness or above) to seal the hole size for a concentric hole of PC board;ii. Make sure an epoxy for creping distance in 3mm thickness (at least) at the specific position on the finished unit as considered. As a result, I do suggest to resume production for potting process from now on when the above can be satisfied, which can avoid any shipment delay next week. Do you agree? Due to satisfy both requirements for the existing finished units in factory, the shipment can keep for an arrangement. It is no point to block these shipment when the existing finished units (in stock) can be fulfilled. What do you think? Looking forward to receiving your reply shortly.