When working with China Electronics Manufacturing Services you want to make sure that you are doing everything correctly.
https://titoma.com/product-development-process/mass-electronics-manufacturing-china

If not, there could be some serious consequences.

You won't want your product to fail and you won't want to waste a lot of money either.

It is important to approach your work with a proper and trained technique. There are many variables that come into play when talking about China EMS manufacturing services and all of them have an effect on your product in the end.