Hang Seng Bank said Tuesday that its Shenzhen branch has been approved to offer RMB services to domestic companies.

The bank said it has received approval from the China Banking Regulatory Commission for its Shenzhen branch to offer such service after the Shanghai and Guangzhou branches.

"In addition to the existing foreign currency services we offer to such companies, this will strengthen our capability to serve clients and will enable us to expand further in the Pearl River Delta and Yangtze River Delta,"said Vincent Cheng, vice-chairman and chief executive of Hang Seng Bank.

Founded in 1933, Hang Seng Bank is a principal member of the HSBC Group and the second largest listed bank in Hong Kong in terms of market capitalization. It operates 159 branches and automated banking centers in Hong Kong, a branch in Macao and a network of five branches in the Chinese mainland.