On this day, 182 years ago, on July 22, 1843 (June 25, 1843, the Sino-British Five-Port Trade Charter was implemented in Hong Kong. On July 22, 1843, the Sino-British Five-Port Trade Charter was promulgated and implemented in Hong Kong. The charter is a supplement to the Treaty of Nanjing. The main contents are as follows: 1. Tariffs. Determine the price of most goods and the amount of customs duties paid, with a tax rate of about 5%. 2. Consular jurisdiction. It stipulates that "if there is a negotiation between (Chinese and British),... how to punish the British, the British shall agree on the constitution and laws and issue them to the steward to follow." In this way, China's judicial sovereignty began to lose. China customs has begun to lose its role in protecting its industrial and agricultural production. After the "Articles of Association" were announced, Guangzhou opened its port on the 27th.