An assembly is coming together of various sub-assemblies to manifest into a final usable product. Sub-assemblies in turn may have two or more parts coming together to form a sub-assembly. For a final assembly to manifest certain joining elements come into the picture. There are many such elements, maybe called accessories or support systems, some specific, custom-built, and some off-the-shelf components such as fasteners.

The market size of India’s metal forming sector during 2016-2017 was 2,450 crore with a market share of around 25 percent. The metal forming industry is expected to grow at a CAGR (Compound Annual Growth Rate) of around 15 percent year on year.