BEIJING - Lock-up shares valued at about 9.6 billion yuan ($1.56 billion) will become eligible for trade on the Chinese mainland's stock market in the coming week.

Altogether, lock-up shares from 21 listed companies on the two bourses will be released to the capital market, Southwest Securities, a major securities brokerage company said on Sunday.

EGing Photovoltaic Technology Co Ltd will see non-tradable shares worth about 3.98 billion yuan become tradable on Nov 21, the largest amount of such shares to hit the stock market in the week.

Under China's market rules, major shareholders of non-tradable stocks are subject to one or two years of lock-up before they are permitted to trade the shares.

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