160 Health International (HKG:2656) received notice that its controlling shareholders Luo Ningzheng, LNZ Management, and Luo Holdings will extend the lock-up undertaking of previously issued shares, according to a Hong Kong bourse filing Friday.

The lock-up period of the 102.9 million shares representing 30.59% of the business was extended to Sept. 16, the firm said.

During this period, the shareholders will not sell any of the company's shares.