What is the Best way to handle groups and sub-groups filter in Mobile App

I am a developer, NOT a designer.

I am working on a Web App in which Assets are divided into Companies, Sites and Categories

So the Hierarchy is something like this:

Company 1
   Site 1
      Category 1
          Asset A
          Asset B
          Asset C
      Category 2
          Asset 1
          Asset 2
          Asset 3
   Site 2
      Category A
          Asset I
          Asset II
      Category B
          Asset III

Company 2
  ............ So on

Now in Web Apps I use either cascading dropdowns:

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or a Tree Control in some places

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So now that I want to start working on the Mobile App for this (Tablet + SmartPhone), what is the best practice for displaying this type of data in Mobile Apps? So that User can filter by Sites/Categories and view the Assets.

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