Infrastructure funds can participate in pledged agreement repurchase, pledged tripartite repurchase and other businesses as pledge vouchers in accordance with the provisions of Shenzhen Stock Exchange. If the original equity holders or their related parties under the same control participate in the above-mentioned business after the expiration of the restricted sale period, the pledged strategic placement shall not exceed 50% of all such shares held by them, unless otherwise stipulated by the Shenzhen Stock Exchange.