Yongsheng Advanced Materials Company Limited announced that Mr. Leung has tendered his resignation as the company secretary and authorised representative of the company, with effect from 26 October 2017 due to his other commitments. The Board announced that Ms. Lo has been appointed as the company secretary of the company with effect from 26 October 2017. She is a practicing solicitor in Hong Kong in the field of commercial and corporate finance. The Board announced that Mr. Zhao, being the chief executive officer of the company and executive Director, has been appointed as an authorised representative, with effect from 26 October 2017.