Jiangxi Copper (HKG:0358, SHA:600362) Chairman Zhou Shaobing has proposed that the company repurchase A shares worth between 300 million yuan and 500 million yuan, according to a Friday bourse filing.

The proposed buyback would be conducted through open-market purchases on the Shanghai Stock Exchange, using the company's own or self-raised funds.

The program would run for up to three months from board approval and is intended to support the company's share value and investor confidence.