Surveying:

To Export or Import Goods, you need a surveyor to inspect and evaluate the specifications, characters and quality of Packed Good/Equipment which is ready to be shipped, with Specifications that you ordered or you expect.

So, by variety of goods or equipment, you need specialists on distinguishing due specifications.

IHTI has contracted with several professional surveyors from all around the world, so you may give over this job to IHTI.