CPD Ninja is rated 3 out of 5 in the category mechanical or industrial engineering. Read and write reviews about CPD Ninja. CPD Ninja offers ECSA-accredited content on an online platform for Industrial Engineers. You can earn CPD points from wherever you are, whenever you can. We cover a range of topics within the discipline, and our focus on practical application means you’re sure to find something to take you to the next level at work.