Four of China’s largest banks are planning to raise up to $71.6 billion via share sales under a finance ministry-led plan aimed at bolstering capital and beefing up lending to help boost the economy.

Bank of Communications, Bank of China, China Construction Bank and Postal Savings Bank of China said Sunday that they plan to raise a combined 520 billion yuan, or about $71.6 billion, in private placements to investors, including the finance ministry.