What is "puankhequa"

Puankhequa (; 171410January 1788), also known as Pan Wenyan or Zhencheng, was a Chinese merchant and member of a cohong family, which traded with the Europeans in Canton (now known as Guangzhou) during the Qing dynasty (1611–1912). He owned a factory in the Thirteen Factories district where his firm was favored by the English, Swedes, "Imperials" and Danes.