Check out these trade barriers

'In Indonesia, the third most populous country in Asia after China and India, the government is already acting to limit imports of garments, electronics, shoes, toys and food — five large categories in which Indonesian producers are struggling to compete with China. Starting in the new year, importers of these products will have to be registered with the government, use only five designated ports for their shipments, arrange for a detailed inspection of goods before they are loaded on a ship or plane bound for Indonesia and then have every single container exhaustively inspected on arrival by Indonesia’s notoriously slow customs bureaucracy. The plan, intended to comply with W.T.O. rules, was adopted after heavy lobbying by Indonesian manufacturers and labor unions'

This was spotted here, a discussion of how much China's exports may slow down at this juncture.

I think our Poitiers example will (at last) be updated....