Quality Management Report on Food Delivery Company

We are making presentation about delivery company called Yogiyo in korea. so we have to submit. 10,000 long report as well. how we did quality management. Yogiyo has some problems, they outsource their rider so they are so late. and there some app problems. UX/UI.
First of all, write about delivery company, apps, how do they work, then specifically Yogiyo(delivery hero) history, how do they work. thend quality problems, then their solutions with Six Sigma strategies.