When receiving quotes, remember that they’re quoting for what you asked. If there was an important detail that you forgot to mention, or a spec that needs to be changed, expect a cost-difference.
When searching for a supplier, you’ll want to make sure you do as much research as possible before making a selection. These will be your long-term partners and should be there for you through the good (and bad) times.
https://www.sellerapp.com/blog/overseas-product-sourcing/
