Zheng Hanlong. Zheng Hanlong, male, Han nationality, born in August, 1962, originally from Jieyang, Guangdong, graduated from university of international business and economics. /kloc-0 joined the work in August, 1985,/kloc-0 joined China in April, 1985, with a bachelor's degree in economics. Huangpu Customs is one of the seven customs directly under Guangdong Province. Its predecessor was the registered port of Guangdong Customs in the 24th year of Kangxi (A.D. 1685), and it was set up as Huangpu Branch after the establishment of New China in 1949.