On November 8, 1858, the Chinese government signed the Treaty of Good After Trade with Britain. On November 8, 1858, during the Second Opium War, the Chinese government signed the Treaty of Good After Trade with the British representative Yulkine in Shanghai, in addition to the Treaty of Tianjin, a total of ten paragraphs, accompanied by the Customs Rules. The main contents: first, the Customs employed British assistants for taxation; second, the Customs on import and export of goods are taxed at a rate of one hundred and fifty per hour; third, the Customs on the import of domestic or British goods from the mainland, with only a sub-tax of 2.5 per cent, and no longer a sub-tax of 2.5 per cent; four (the Opium) permitted import trade, two