Buying from China, especially when you are buying from different suppliers and need someone there in China do the consolidation. You will properly need an agent help you. Comparing to a buying company, a private person could be cheaper. But is it really good to work with the private person.
You might think of buying building materials in China, but how can you get there and communicate with the suppliers? Finding an agent sounds a good idea, but do you know what should agent do, and how to recognize a reliable agent and a terrible agent? This article might make out some of your puzzles.