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简介：In the Ming Dynasty, there were a total of 6 salt transfer offices in Lianghuai, Liangzhe, Changlu, Shandong, Fujian, and Hedong. Among them, Lianghuai was the largest and most powerful. The Ming Dynasty produced 400 million jins of salt every year, and Lianghuai alone alone produced 400 million jins of salt. It accounts for a quarter of the so-called six transportation divisions in the world, but the two Huaihe transportation divisions are the most powerful. Among the three transportation divisions in the country, the Taizhou division is the most powerful.