The board of directors of Sino Energy International Holdings Group Limited announced that Mr. Cheng Kit Hung has tendered his resignation as the company secretary of the company and ceased to act as an authorized representative of the company in Hong Kong under Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong) with effect from 1 November 2018 and Mr. Tsang Ho Yin has been appointed as the company secretary and the authorized representative with effect from 1 November 2018. Mr. Tsang has extensive experience in corporate and business affairs, including pre-listing reorganizations and investments, initial public offerings, merger and acquisitions, loan and financing transactions, investments in China, corporate governance and general compliance affairs of listed companies and private enterprises.