ZTO Express (ZTO) has been added to the Hang Seng Index, effective June 9, Hang Seng Indexes said in a Friday statement after a quarterly review.

Electrical appliance manufacturer Midea Group was also added to the Hong Kong stock benchmark, increasing the number of members to 85, according to the statement.

There were no changes made to the Hang Seng China Enterprises Index, with the number of members remaining at 50, the index compiler said.