Partial modification can be done on the existing mold, but should according to the mold structure.

1. Making holes: We usually adopt mold modification and after-treatment.The former is fit for large order, owing to the charge of modification.The latter adapts to small order and unchangeable mold.

2. Structual Modification: Partial modification can be done. For example, change the location and height of the fixed pillars of PCB panels,edd or clear off the partial pillars.