Sanai Health Industry Group Company Limited announced that Mr. Lock Kwong Hang, Simon has resigned, with effect from 11 January 2019, as (i) the company secretary of the company; (ii) an authorized representative of the company pursuant to Rule 3.05 of the Rules Governing the Listing of Securities on The Stock Exchange of Hong Kong Limited; and (iii) an authorized representative of the company for accepting service of process or notice on the company's behalf in Hong Kong under Part 16 of the Companies Ordinance (Chapter 622 of the Laws of Hong Kong). The Board further announced that, in replacement of Mr. Lock, Mr. Zhou Chen has been appointed as the company secretary of the company, the Authorized Representative and the Process Agent with effect from 11 January 2019. Mr. Zhou, aged 37, has extensive experience in auditing, accounting, financial management and corporate finance. Mr. Zhou was appointed as an executive director of China Graphene Group Limited on 1 February 2018. He then was appointed as the company secretary of China Graphene on 1 March 2018.