June 26, 2007 - The missionary insisted on not using his name or nationality because Chinese authorities annually renew his right to minister to Christians. "It didn't happen, just a bit really. Just down river in Tungan, there's an informal trading system that bustles, said the missionary. Dandong's strongest argument for more trade and aid is its skyline. It operates more than a dozen restaurants in Dandong, earning much needed foreign currency.