The purpose of investor relationship management is to strengthen the communication between ECT and investors, and introduce the actual situation of ECT to the public objectively, truly and completely. Not only to deepen investors' understanding and recognition of ECT, promote the long-term, stable and good relationship, but also to enhance ECT's credibility, core competitiveness and sustainable development ability, and realize the maximum value of ECT and the maximization of shareholders' interests finally. Adhere to the principles of fairness, impartiality and openness, to ensure all investors' right to know and other legitimate rights and interests under the premise of abiding by national laws. ECT has always taken improving the corporate governance structure, improving the internal control system, strictly fulfilling the obligation of information disclosure and strengthening investor management as important measures to protect the rights and interests of shareholders. Adhere to the principle of sustainable development and steady expansion, strive to improve business performance, strengthen standardized operation, continue to improve the corporate governance structure, prevent risks to ensure ECT's compliance, steady and rapid development while actively returning to shareholders. ECT sets up investors phone line, fax, E-mail and other related channels to achieve timely communication with investors, and also feedback to investors and agencies through the Shenzhen Stock Exchange Platform to promote the benign interaction between enterprise and investors, and improve the level of corporate governance.