any other power granted by laws, regulations, departmental rules or the articles of association.. The board of directors of a listed company should establish an corporate strategy, audit,rnomination, and remuneration and assessment committee or other specialized committees. The special committees are accountable to the board of directors and perform their duties in accordance with the Articles of Association and authorization of the board. Proposals by the special committees should be submitted to the board for deliberation and decision.Special committees are composed solely of directors. Independent directors should make up the majority of the audit committee, the nomination committee and the remuneration and assessment committee, and should convene the committee meetings. The convener of the audit committee must be an accounting professional. The board of directors is responsible for making work procedures of specialized committees for the operation of specialized committees. The board of directors decides the matters such as external investment, purchasing and selling assets, asset guarantee and trust management etc. and the value of which is less than 30% of the latest audited assets of the company; otherwise, those matters shall be proposed to the general meeting. The authority that the general meeting of shareholders grants the board of directors for external investment, acquisition and sale of assets, assets mortgage or external guarantees, administration of finance by a third party, affiliated transaction is based on the Administrative Measures on External Investment, External Guarantee, Affiliated transaction approved by the general meeting of shareholders. The chairman of the board of directors shall exercise the following powers: