Arriving at the inbound foreign exchange office means that your package has been sent to the local courier company, and leaving the inbound foreign exchange office means leaving from the inbound courier company.
Entry, Chinese word, pronounced rùjìng, means entry. According to Article 89 of the Exit and Entry Law of People's Republic of China (PRC), entry refers to entering the mainland of China from other countries or regions, entering the mainland of China from Hong Kong Special Administrative Region and Macao Special Administrative Region, and entering Chinese mainland from Taiwan Province Province.