(Photo: VCG)

BEIJING, April 8 (Xinhua) -- Lock-up shares worth about 51.9 billion yuan (about 7.7 billion US dollars) will become eligible for trading on China's bourses this week.

Over 3.2 billion shares will become tradable on the Shanghai and Shenzhen stock exchanges from April 4 to 12, according to the Securities Times.

In the previous week, more than 1.4 billion shares worth about 20.76 billion yuan became tradable.

The Visual China Group Co., Ltd will have the largest amount of lock-up shares, with more than 388 million shares becoming tradable Friday.

Under China's market rules, major shareholders must wait for one to two years before they are permitted to sell their shares.

Chinese shares ended higher on the previous trading day. The benchmark Shanghai Composite Index went up 0.94 percent to 3,246.57 points while the Shenzhen Component Index climbed 0.73 percent higher to 10,415.8 points.