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Establishment of trade relations

British ships began to appear sporadically around the coasts of China from 1635 on. Without establishing formal relations through the Chinese tributary system, by which most Asian nations were able to negotiate with China, British merchants were only allowed to trade at the ports of Zhoushan, Xiamen (or Amoy), and Guangzhou. Official British trade was conducted through the auspices of the British East India Company, which held a royal charter for trade with the Far East. The East India Company gradually came to dominate Sino-European trade from its position in India and due to the strength of the Royal Navy.