An increasing number of wealthy customers from mainland China are using Hong Kong to diversify their investments and expand their businesses globally, according to a senior executive of Hong Kong-based mid-tier lender China Citic Bank International. “After many government efforts to promote family offices in recent years, we have seen strong growth from wealthy mainland customers seeking our bankers to help them set up family offices in Hong Kong,” said Wendy Yuen Miu-ling, head of the bank’s...