Great article. I'm in the process of making a physical product: a new quick-release plate for DSLRs; I did find a manufacturer in China for CNC machining and h

Great article. I'm in the process of making a physical product: a new quick-release plate for DSLRs; I did find a manufacturer in China for CNC machining and had a couple of prototypes sent to me (in France), which were of very good quality. The problem is however, the final product will be made of several parts from different manufacturers: the plate, a rubber pad, screws, washers, a box for "clean" packaging, etc. Are there factories that specialize in assembling/boxing a product, and what would the proper keywords be in order to look for them?