The average daily turnover of Southbound ETFs via Stock Connect reached HK$215.7m in the first month of its launch.
Investors in both Hong Kong and mainland China can trade eligible funds starting on July 4.
The preparation work will take approximately six months to complete.
Hang Seng Investment Management will be listing a feeder ETF in Hong Kong that will invest its assets into the Shenzhen-listed Harvest CSI 300 ETF.
Two Shenzhen-listed ETFs will each invest in products managed by Hang Seng Investment Management and CSOP Asset Management in Hong Kong.
The Japanese firm plans to join the China-Japan ETF Connect programme on top of having a QDLP business in China.
The Korean asset manager, which delisted six ETFs in Hong Kong last year, now plans a move into thematic and smart beta products for the Hong Kong market.
Foreign passive fund specialists plan to launch new ETFs in Hong Kong in expectation of selling them to mainland investors through the ETF Connect, according to John Sin, head of asset servicing for greater China at BNY Mellon.
A delay in launching the ETF Connect may have prompted the recent delisting of some exchange-traded funds (ETFs) from the Hong Kong stock exchange, said David Quah, co-managing director of quantitative investment solutions at Value Partners.
Hong Kong-based Value Partners is in talks with several foreign asset managers for a new fund outsourcing initiative and the firm aims to form partnerships by the end of the year.